NEED HELP FINDING WHY d. IS WRONG

A bond with a face value of $1,000 has 10 years until maturity, carries a coupon rate of 8.7%, and sells for $1,130. Interest is paid annually. a. If the bond has a yield to maturity of 9.3% 1 year from now, what will its price be at that time? (Do not round intermediate calculations. Round your anser to nearest whole number.) Answer is complete and correct. $ 964 Price b. What will be the annual rate of return on the bond? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places. Negative amount should be indicated by a minus sign.) Answer is complete and correct. Rate of return (6.95) % c. Now assume that interest is paid semiannually. What will be the annual rate of return on the bond? Slightly greater than your part b answer Slightly less than your part b answer d. If the inflation rate during the year is 3%, what is the annual real rate of return on the bond? (Assume annual interest payments.) (DO not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places. Negative amount should be indicated by a minus sign.) Answer is complete but not entirely correct. Real rate of return 3.95 %