Suppose you bought a 8.7% coupon bond one year ago for $900. The bond sells for $860 today a. Assuming a $1.000 face value what was your total dollar return on this investment over the past year? (Omit $ sign in your response.) Total dollar return S 47 b. What was your total nominal rate of return on this investment over the past year? (Round your answer to 2 decimal places.) Nominal rate of return 5.22 c. If the inflation rate last year was 3%, what was your total real rate of return on this investment (Do not round intermediate calculations. Round the final answer to 2 decimal places.) Real rate of return 216 %