On 1 January 20X1 Penfold Co purchased a debt instrument at its fair value of $500,000. It had a principal amount of $550,000 and was due to mature in five years. The debt instrument carries fixed interest of 6% paid annually in arrears and has an effective interest rate of 8%. It is held at amortised cost.At what amount will the debt instrument be shown in the statement of financial position of Penfold Co as at 31 December 20X2?