A bond has a $1,000 par value, 12 years to maturity, and an 8% annual coupon and sells for $980.

1. What is its yield to maturity (YTM)? Round your answer to two decimal places.

   8.27 %

2. Assume that the yield to maturity remains constant for the next four years. What will the price be 4 years from today? Do not round intermediate calculations. Round your answer to the nearest cent.

   $ 983.32

3. Nesmith Corporation's outstanding bonds have a $1,000 par value, an 11% semiannual coupon, 15 years to maturity, and a 15% YTM. What is the bond's price? Round your answer to the nearest cent.

   $ 766.11

All of these answers are marked correct on my homework but when I enter them into excel my answer for b is 984.69 and my answer for c is 763.79 am i doing something wrong? or is the answer wrong? Thanks.