An investor buys a 5% annual coupon, 5 year bond for $1100. If the YTM is expected to remain constant over the next year, what return does the investor earn from the coupon payments? O a. 2.83% O b. -1.72% O c. 4.55% O d. 5.00% There is a 25% chance a stock earns 10%, a 50% chance the stock has a 2% return, and a 25% chance the stock loses 2%. What is the coefficient of variation of the stock? O a. 1.45 O b. 1.25 O c. 0.69 O d. 0.79