Consider a 8.5% coupon bond that you bought one year ago for $880. You observe that the bond sells for $840 today. The bond has $1,000 face value and matures in 10 years. a. What was your total dollar return on this investment over the past year? (Omit $ sign in your response.) $ Total dollar return 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 c. If the inflation rate last year was 4%, what was your total real rate of return on this investment? (Do not round intermediate calculations. Round the final answer to 2 decimal places. Use the Fischer formula in your calculations.) % Real rate of return