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【单选题】
求职信称谓部分,以下不合适的称谓是:
A.
尊敬的 ×× 领导
B.
尊敬的 ×× 夫人
C.
尊敬的 ×× 老师
D.
尊敬的 ×× 经理
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参考答案:
举一反三
有如下的程序:#include <cstring> #include<iostream>using namespace std; class MyString{public:MyString(const char *s);~MyString() {delete []data;} protected:unsigned len;char * data;};MyString::M...
A.
构造函数的实参不允许是本类的对象
B.
没有定义实现深层复制(深拷贝)的拷贝构造函数
C.
构造对象a时实参与形参类型不符
D.
系统不能生成缺省的拷贝构造函数
已知类MyClass的定义如下:class MyClass{private:int num;public:MyClass(int d):num(d){}MyClass(const MyClass& original):num (original.num){}friend void print(MyClass C){cout<<C.num; }};且有如下程序段:MyClass ...
A.
4
B.
3
C.
2
D.
1
#include<iostream> using namespace std; class Name{ char name[20]; public: Name(){ strcpy (name,""); cout<<'?'; }Name(char *fname){ strcpy (name, fname); cout<<'?';}};int main(){Na...
A.
0
B.
1
C.
2
D.
3
已知 int a[10], *pa = a; 则选项中等效的有:
A.
a[i]
B.
*(pa+i)
C.
*(a+i)
D.
pa[i]
如果x是整型变量,则合法的形式是__答案填大写字母。
观察程序(因为学堂在线系统限制,为了能够显示程序,程序中符号使用全角字符,实际应该使用半角,请在考虑答案时忽略全角字符的问题)#include <iostream>using namespace std;int main(){ int *first,*second; first=new int[5]; second=first;delete [] second; delete [] first...
A.
正确,因为first和second都是独立的指针变量
B.
不正确,因为first和second是相关而非独立的指针变量
C.
正确,second会拷贝first的内容
D.
不正确,second和first指向相同的内容
视频中的程序中,每调用一次"参数为两个Point"的Line类的构造函数,要执行几次Point类的复制构造函数?输入执行次数(整数):__
以下说法不正确的是:
A.
以指针作为函数参数可以实现数据的双向传递
B.
只有指向常量的指针才能作为函数的形参
C.
当数组名作为函数的参数时,则退化为一个指针
在UML中,虚线箭头表示__,实线空心三角形表示__,实线空心菱形表示__,实线实心菱形表示__。A. 继承B. 依赖C. 组成聚集D. 共享聚集(请依次填入大写字母序号)
初始化一个二维数组staticinta[3][4]={{1},{0,6},{0,0,11}}; a[0][3]的值为:
A.
1
B.
0
C.
6
D.
11
使用实验动物进行科学研究时,实施方案应该经实验动物管理委员会(或实验动物伦理委员会等)批准。
A.
正确
B.
错误
系统误差有: ( )
A.
. 选择偏倚;
B.
. 信息偏倚;
C.
. 混杂偏倚;
D.
. 以上都是
2015年,意大利神经外科医生卡纳维罗和他的首位志愿者——俄罗斯男子斯皮里多诺夫共同向众人宣布,他们将进行世界上首例换头手术。该研究违背了下列哪些伦理原则( )
A.
维护受试者利益原则
B.
知情同意原则
C.
科学性原则
D.
保护隐私原则
某患者男性,35岁, 5年来间歇性出现上腹胀痛,空腹时加重,进食后可自行缓解,无放射痛,有嗳气和反酸,冬春季节易发病。体检除上腹压痛外无其它异常发现。医生根据腹痛的特点和发作规律,初步诊断为十二指肠溃疡。该医生的临床思维过程属于
A.
归纳推理
B.
演绎推理
C.
类比推理
D.
分类推理
下图是某药物的效应受到其他因素影响时,量效曲线发生了右移,说明( )
A.
干扰因素降低了该药物的效能
B.
干扰因素增大了该药物的效能
C.
干扰因素增大了效价强度
D.
干扰因素降低了效价强度
动物实验“3R原则”的“优化”原则是指( )
A.
善待实验动物,提高动物福利
B.
改进实验技术,减少操作外伤
C.
完善实验方案,避免意外发生
D.
改善保定技术,减少动物应激
下列哪些情况一般不作为临床研究对象( )。
A.
存在影响结果的并发症
B.
危重状态
C.
多种疗法无效
D.
不配合者
按照《实验动物管理条例》(国家科委,1988),实验动物分为哪几级( )。
A.
普通动物
B.
清洁动物
C.
无特定病原体动物
D.
无菌动物
以下情况中,属于随机分组的是( )。
A.
.按入院先后,逐个交替分配至不同的组;
B.
. 按照就诊的季节,将患者分为4个组;
C.
.通过计算机产生随机数字,按照其奇偶将患者分至两组;
D.
.在密封的暗箱中抓取小白鼠,先抓到的10只与后抓到的10只分别分配至两组
为研究某疗法对不同类型胃溃疡病人的疗效有无差别,某医院用该疗法治疗一般类型溃疡病人108例,治愈85例;治疗特殊类型胃溃疡病人105例,治愈33例。经假设检验,,P&lt;0.005 (按=0.05水准),此时结论为( )。
A.
.不拒绝,差别无统计学意义,尚不能认为该疗法对两种类型的胃溃疡病人的总体治愈率不同;
B.
.拒绝,接受,差别有统计学意义,可以认为该疗法对两种类型的胃溃疡病人的总体治愈率不同 ;
C.
.不拒绝,差别无统计学意义,可以认为该疗法对两种类型的胃溃疡病人的总体治愈率不同 ;
D.
.拒绝,接受,差别有统计学意义,尚不能认为该疗法对两种类型的胃溃疡病人的总体治愈率不同
以下关于P值的理解正确的是( )。
A.
. P 值能够说明无效假设成立的概率;
B.
. P 值能够提示效应的大小;
C.
. P 值与假设检验水准的比较是科研结论的唯一标准;
D.
. P 值能够提示样本数据在多大程度上背离指定的无效假设
cDNA 文库构建的基本步骤不包括:()
A.
. DNA的提取
B.
. RNA 的提取
C.
.合成接头的加入
D.
.双链 DNA 克隆到载体中去
CO-IP结合蛋白的原理是( )
A.
. 分子的大小和形状
B.
. 蛋白质疏水结合
C.
.蛋白带电荷
D.
. 抗原抗体
下列移液器使用正确的是( )
A.
缓吸慢放,并注意吸与放的手法与时机;
B.
吸液时,移液器倾斜;
C.
按到第二档洗液;
D.
吸液时按钮松开过快
细胞周期哪一个时期染色体的数量是2N:A
A.
.G1;
B.
. S;
C.
. G2;
D.
. M.
Annexin V-PI细胞流式法检测细胞凋亡实验中,晚期细胞凋亡细胞的特点是:
A.
.Annexin V信号高,PI信号高
B.
.Annexin V信号低,PI信号低
C.
.Annexin V信号高,PI信号低
D.
.Annexin V信号低,PI信号高
MTT实验中,利用下列那个物质来溶解蓝紫色甲瓒结晶:
A.
. 水;
B.
. 酒精;
C.
. DMSO;
D.
.盐酸
利用BrdU检测细胞增殖时,BrdU是掺入到下列那个物质中:E
A.
.糖类,
B.
.RNA;
C.
.蛋白质;
D.
.脂肪;
E.
.DNA。
细胞凋亡的线粒体信号通路中从从线粒体释放的物质是:
A.
. 维生素A
B.
. 白蛋白
C.
. 细胞色素C
D.
. DNA
蛋白质组研究的主要技术不包括( )
A.
二维电泳、
B.
Edman测序、
C.
酵母双杂交、
D.
Sanger测序
下列关于代谢物组学的说法,错误的是( )
A.
基因与蛋白质表达的微小变化会在代谢物上得到放大,从而使检测更容易;
B.
代谢物组学的研究不需要建立全基因测序及大量序列标签(EST)的数据库;
C.
代谢物的研究种类远小于蛋白质的数目;
D.
代谢物种类的研究坤能,所需技术尚不成熟。
用流式分选方法可以得到高纯度的NK细胞,一般选用下列哪些荧光标记抗体分选人NK细胞?
A.
. 抗CD3McAb和抗CD56McAb
B.
. 抗CD3McAb和抗CD28McAb
C.
. 抗CD34McAb和抗CD56McAb
D.
. 抗CD34McAb和抗CD16McAb
E.
. 抗CD56McAb和抗CD16McAb
用磁珠分选法分选记忆性T细胞需用选用哪项特征性标志?
A.
CD4
B.
CD8
C.
CD28
D.
CD45RA
E.
CD45RO
ELISPOT技术可检测分泌人TNF-α的细胞数量,根据其原理,96孔板中包被的是
A.
.人TNF-α
B.
.鼠抗人TNF-α单克隆抗体
C.
.HRP标记的鼠抗TNF-α的单克隆抗体
D.
.HRP标记的抗鼠IgG二抗
E.
.羊抗鼠IgG二抗
Annexin V/PI 流式细胞术分析细胞凋亡,结果中右下角的第二象限代表( )
A.
. 活细胞
B.
. 凋亡晚期细胞
C.
. 凋亡早期细胞
D.
. 坏死细胞
动物福利指南“3R”原则不包括
A.
. replacement
B.
. reduction
C.
. recession
D.
. refinement
开展动物行为学实验和选择实验模型动物时首先要考虑:
A.
. 动物性别的问题
B.
.动物大小的问题
C.
.伦理学问题
D.
. 动物数量的问题
() are real assets.
A.
Land
B.
Machines
C.
Stocks and bonds
D.
Knowledge
E.
Land, machines, and knowledge
Money market securities ()
A.
are short term.
B.
are highly marketable.
C.
are generally very low risk.
D.
are highly marketable and are generally very low risk.
E.
All of the options
The trading of stock that was previously issued takes place ()
A.
in the secondary market.
B.
in the primary market.
C.
usually with the assistance of an investment banker.
D.
in the secondary and primary markets.
debt security pays ()
A.
a fixed level of income for the life of the owner.
B.
a variable level of income for owners on a fixed income.
C.
a fixed or variable income stream at the option of the owner.
D.
a fixed stream of income or a stream of income that is determined according to a specified formula for the life of the security.
Firms raise capital by issuing stock ()
A.
in the secondary market.
B.
in the primary market.
C.
to unwary investors.
D.
only on days when the market is up.
You purchased a share of stock for \$20. One year later you received \$1 as a dividend and sold the share for \$29. What was your holding-period return?
A.
45%
B.
50%
C.
5%
D.
40%
E.
None of the options
Assume an investor with the following utility function: $U=E(r)-3/2(s^2)$. To maximize her expected utility, she would choose the asset with an expected rate of return of ___ and a standard deviation ...
A.
12%; 20%
B.
10%; 15%
C.
10%; 10%
D.
8%; 10%
In a return-standard deviation space, which of the following statements is (are) true for risk-averse investors? (The vertical and horizontal lines are referred to as the expected return-axis and the ...
A.
I and II only
B.
II and III only
C.
I and IV only
D.
III and IV only
E.
None of the options
You have been given this probability distribution for the holding-period return for KMP stock. What is the expected holding-period return for KMP stock?State of the EconomyProbabilityHPRBoom.3018%Norm...
A.
10.40%
B.
9.32%
C.
11.63%
D.
11.54%
E.
10.88%
According to the mean-variance criterion, which one of the following investments dominates all others? ()
A.
E(r) = 0.15; Variance = 0.20
B.
E(r) = 0.10; Variance = 0.20
C.
E(r) = 0.10; Variance = 0.25
D.
E(r) = 0.15; Variance = 0.25
E.
None of these options dominates the other alternatives.
Consider the following three stocks. The price-weighted index constructed with the three stocks is ( ) StockPriceNumber of shares outstandingStock A$40200Stock B$70500Stock C$10600
A.
30.
B.
40.
C.
50.
D.
60.
E.
70.
An investor invests 30% of his wealth in a risky asset with an expected rate of return of 0.13 and a variance of 0.03 and 70% in a T-bill that pays 6%. His portfolio's expected return and standard dev...
A.
0.114; 0.128
B.
0.087; 0.063
C.
0.295; 0.125
D.
0.081; 0.052
Market risk is also referred to as ()
A.
systematic risk, diversifiable risk.
B.
systematic risk, nondiversifiable risk.
C.
unique risk, nondiversifiable risk.
D.
unique risk, diversifiable risk.
The capital allocation line can be described as the ( )
A.
investment opportunity set formed with a risky asset and a risk-free asset.
B.
investment opportunity set formed with two risky assets.
C.
line on which lie all portfolios that offer the same utility to a particular investor.
D.
line on which lie all portfolios with the same expected rate of return and different standard deviations.
The efficient frontier of risky assets is ()
A.
the portion of the investment opportunity set that lies above the global minimum variance portfolio.
B.
the portion of the investment opportunity set that represents the highest standard deviations.
C.
the portion of the investment opportunity set that includes the portfolios with the lowest standard deviation.
D.
the set of portfolios that have zero standard deviation.
Asset allocation may involve ()
A.
the decision as to the allocation between a risk-free asset and a risky asset.
B.
the decision as to the allocation among different risky assets.
C.
considerable security analysis.
D.
the decision as to the allocation between a risk-free asset and a risky asset and the decision as to the allocation among different risky assets.
E.
the decision as to the allocation between a risk-free asset and a risky asset and considerable security analysis.
The capital allocation line provided by a risk-free security and N risky securities is ()
A.
the line that connects the risk-free rate and the global minimum-variance portfolio of the risky securities.
B.
the line that connects the risk-free rate and the portfolio of the risky securities that has the highest expected return on the efficient frontier.
C.
the line tangent to the efficient frontier of risky securities drawn from the risk-free rate.
D.
the horizontal line drawn from the risk-free rate.
Which of the following statements is (are) true?I) Risk-averse investors reject investments that are fair games.II) Risk-neutral investors judge risky investments only by the expected returns.III) Ris...
A.
I only
B.
II only
C.
I and II only
D.
II and III only
E.
II, III, and IV only
Which one of the following portfolios cannot lie on the efficient frontier as described by Markowitz?PortfolioExpected ReturnStandard DeviationA10%12%B5%7%C15%20%D12%25%
A.
Only portfolio A cannot lie on the efficient frontier.
B.
Only portfolio B cannot lie on the efficient frontier.
C.
Only portfolio C cannot lie on the efficient frontier.
D.
Only portfolio D cannot lie on the efficient frontier.
E.
Cannot tell from the information given.
The measure of risk in a Markowitz efficient frontier is ()
A.
specific risk.
B.
standard deviation of returns.
C.
reinvestment risk.
D.
beta.
In the context of the Capital Asset Pricing Model (CAPM), the relevant measure of risk is
A.
unique risk.
B.
beta.
C.
standard deviation of returns.
D.
variance of returns.
Consider two perfectly negatively correlated risky securities A and B. A has an expected rate of return of 12% and a standard deviation of 17%. B has an expected rate of return of 9% and a standard de...
Consider two perfectly negatively correlated risky securities A and B. A has an expected rate of return of 12% and a standard deviation of 17%. B has an expected rate of return of 9% and a standard de...
A security has an expected rate of return of 0.10 and a beta of 1.1.The market expected rate of return is 0.08 and the risk-free rate is 0.05. The alpha of the stock is __%.
Which statement is not true regarding the market portfolio? ()
A.
It includes all publicly-traded financial assets.
B.
It lies on the efficient frontier.
C.
All securities in the market portfolio are held in proportion to their market values.
D.
It is the tangency point between the capital market line and the indifference curve.
E.
All of the options are true.
Which statement is true regarding the market portfolio? ()I) It includes all publicly traded financial assets.II) It lies on the efficient frontier.III) All securities in the market portfolio are held...
A.
I only
B.
II only
C.
III only
D.
IV only
E.
I, II, and III
In the context of the Capital Asset Pricing Model (CAPM), the relevant risk is ( )
A.
unique risk.
B.
systematic risk.
C.
standard deviation of returns.
D.
variance of returns.
Which statement is not true regarding the capital market line (CML)?
A.
The CML is the line from the risk-free rate through the market portfolio.
B.
The CML is the best attainable capital allocation line.
C.
The CML is also called the security market line.
D.
The CML always has a positive slope.
E.
The risk measure for the CML is standard deviation.
Which statement is true regarding the capital market line (CML)?I) The CML is the line from the risk-free rate through the market portfolio.II) The CML is the best attainable capital allocation line.I...
A.
I only
B.
II only
C.
III only
D.
IV only
E.
I, II, and IV
The capital asset pricing model assumes ()
A.
all investors are price takers.
B.
all investors have the same holding period.
C.
investors have homogeneous expectations.
D.
all investors are price takers and have the same holding period.
E.
all investors are price takers, have the same holding period, and have homogeneous expectations.
The security market line (SML) is
A.
the line that describes the expected return-beta relationship for well-diversified portfolios only.
B.
also called the capital allocation line.
C.
the line that is tangent to the efficient frontier of all risky assets.
D.
the line that represents the expected return-beta relationship.
E.
All of the options.
Assume that a security is fairly priced and has an expected rate of return of 0.17. The market expected rate of return is 0.11, and the risk-free rate is 0.04. The beta of the stock is ()
A.
1.25.
B.
1.86.
C.
1.
D.
0.95.
The amount that an investor allocates to the market portfolio is negatively related to ()I) the expected return on the market portfolio.II) the investor's risk aversion coefficient.III) the risk-free ...
A.
I and II.
B.
II and III.
C.
II and IV.
D.
II, III, and IV.
E.
I, III, and IV.
In a well-diversified portfolio, ()
A.
market risk is negligible.
B.
systematic risk is negligible.
C.
unsystematic risk is negligible.
D.
nondiversifiable risk is negligible.
The risk-free rate is 5%. The expected market rate of return is 11%. If you expect stock X with a beta of 2.1 to offer a rate of return of 15%, you should ()
A.
buy stock X because it is overpriced.
B.
sell short stock X because it is overpriced.
C.
sell short stock X because it is underpriced.
D.
buy stock X because it is underpriced.
E.
None of the options, as the stock is fairly priced.
A "fairly-priced" asset lies ()
A.
above the security-market line.
B.
on the security-market line.
C.
on the capital-market line.
D.
above the capital-market line.
E.
below the security-market line.
The CAPM applies to ()
A.
portfolios of securities only.
B.
individual securities only.
C.
efficient portfolios of securities only.
D.
efficient portfolios and efficient individual securities only.
E.
all portfolios and individual securities.
The risk-free rate and the expected market rate of return are 0.056 and 0.125, respectively. According to the capital asset pricing model (CAPM), the expected rate of return on a security with a beta ...
You invest 50% of your money in security A with a beta of 1.6 and the rest of your money in security B with a beta of 0.7. The beta of the resulting portfolio is ()
A.
1.40.
B.
1.15.
C.
0.36.
D.
1.08.
E.
0.80.
Consider the one-factor APT. The standard deviation of returns on a well-diversified portfolio is 18%. The standard deviation on the factor portfolio is 16%. The beta of the well-diversified portfolio...
A.
0.80.
B.
1.13.
C.
1.25.
D.
1.56.
A ________ portfolio is a well-diversified portfolio constructed to have a beta of 1 on one of the factors and a beta of 0 on any other factor.
A.
factor
B.
market
C.
index
D.
factor and market
E.
factor, market, and index
An arbitrage opportunity exists if an investor can construct a ________ investment portfolio that will yield a sure profit.
A.
positive
B.
negative
C.
zero
D.
All of the options.
E.
None of the options are correct.
Consider the single-factor APT. Stocks A and B have expected returns of 15% and 18%, respectively. The risk-free rate of return is 6%. Stock B has a beta of 1.0. If arbitrage opportunities are ruled o...
A.
0.67.
B.
1.00.
C.
1.30
D.
1.69.
E.
0.75.
Consider a one-factor economy. Portfolio A has a beta of 1.0 on the factor, and portfolio B has a beta of 2.0 on the factor. The expected returns on portfolios A and B are 11% and 17%, respectively. A...
A.
–$1,000.
B.
$0.
C.
$1,000.
D.
$2,000.
________ a relationship between expected return and risk.
A.
APT stipulates
B.
CAPM stipulates
C.
Both CAPM and APT stipulate
D.
Neither CAPM nor APT stipulate
E.
No pricing model has been found.
Proponents of the EMH typically advocate________
A.
an active trading strategy.
B.
investing in an index fund.
C.
a passive investment strategy.
D.
an active trading strategy and investing in an index fund.
E.
investing in an index fund and a passive investment strategy.
In a multifactor APT model, the coefficients on the macro factors are often called________
A.
systematic risk.
B.
firm-specific risk.
C.
idiosyncratic risk.
D.
factor betas.
If you believe in the ________ form of the EMH, you believe that stock prices reflect all available information, including information that is available only to insiders.
A.
semistrong
B.
strong
C.
weak
D.
All of the options are correct.
E.
None of the options are correct.
Single men trade far more often than women. This is due to greater ________ among men.
A.
framing
B.
regret avoidance
C.
overconfidence
D.
conservatism
If you believe in the ________ form of the EMH, you believe that stock prices only reflect all information that can be derived by examining market trading data, such as the history of past stock price...
A.
semistrong
B.
strong
C.
weak
D.
All of the options are correct.
E.
None of the options are correct.
Markets would be inefficient if irrational investors ________ and actions of arbitragers were________.
A.
existed; unlimited
B.
did not exist; unlimited
C.
existed; limited
D.
did not exist; limited
________ focus more on past price movements of a firm's stock than on the underlying determinants of future profitability.
A.
Credit analysts
B.
Fundamental analysts
C.
Systems analysts
D.
Technical analysts
75 on factor 1 and a beta of 1.25 on factor 2. The risk premiums on the factor-1 and factor-2 portfolios are 1% and 7%, respectively. The risk-free rate of return is 7%. The expected return on portfol...
A.
13.5%
B.
15.0%
C.
16.5%
D.
23.0%
The debate over whether markets are efficient will probably never be resolved because of________
A.
the lucky event issue.
B.
the magnitude issue.
C.
the selection bias issue.
D.
All of the options are correct.
E.
None of the options are correct.
Studies of mutual-fund performance________
A.
indicate that one should not randomly select a mutual fund.
B.
indicate that historical performance is not necessarily indicative of future performance.
C.
indicate that the professional management of the fund insures above market returns.
D.
indicate that one should not randomly select a mutual fund and indicate that historical performance is not necessarily indicative of future performance.
E.
indicate that historical performance is not necessarily indicative of future performance and indicate that the professional management of the fund insures above market returns.
Which of the following are used by fundamental analysts to determine proper stock prices? ________I) TrendlinesII) EarningsIII) Dividend prospectsIV) Expectations of future interest ratesV) Resistance...
A.
I, IV, and V
B.
I, II, and III
C.
II, III, and IV
D.
II, IV, and V
E.
All of the items are used by fundamental analysts.
The Food and Drug Administration (FDA) just announced yesterday that they would approve a new cancer-fighting drug from King. You observe that King had an abnormal return of 0% yesterday. This suggest...
A.
the market is not efficient.
B.
King stock will probably rise in value tomorrow.
C.
King stock will probably fall in value tomorrow.
D.
the approval was already anticipated by the market.
________ are analysts who use information concerning current and prospective profitability of a firm to assess the firm's fair market value.
A.
Credit analysts
B.
Fundamental analysts
C.
Systems analysts
D.
Technical analysts
E.
Specialists
You wish to earn a return of 13% on each of two stocks, X and Y. Stock X is expected to pay a dividend of \$3 in the upcoming year while stock Y is expected to pay a dividend of \$4 in the upcoming ye...
A.
will be greater than the intrinsic value of stock Y.
B.
will be the same as the intrinsic value of stock Y.
C.
will be less than the intrinsic value of stock Y.
D.
will be the same or greater than the intrinsic value of stock Y.
E.
None of the options are correct.
High P/E ratios tend to indicate that a company will ________, ceteris paribus.
A.
grow quickly
B.
grow at the same speed as the average company
C.
grow slowly
D.
not grow
E.
None of the options are correct.
You wish to earn a return of 11% on each of two stocks, C and D. Stock C is expected to pay a dividend of \$3 in the upcoming year while stock D is expected to pay a dividend of \$4 in the upcoming ye...
A.
will be greater than the intrinsic value of stock D.
B.
will be the same as the intrinsic value of stockD.
C.
will be less than the intrinsic value of stockD.
D.
will be the same or greater than the intrinsic value of stock D.
E.
None of the options.
You are considering acquiring a common stock that you would like to hold for one year. You expect to receive both \$1.25 in dividends and \$32 from the sale of the stock at the end of the year. The ma...
A.
$30.23
B.
$24.11
C.
$26.52
D.
$27.50
E.
None of the options are correct.
The ________ is the fraction of earnings reinvested in the firm.
A.
dividend payout ratio
B.
retention rate
C.
plowback ratio
D.
dividend payout ratio and plowback ratio
E.
retention rate or plowback ratio
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