A four-year bond has a 9% coupon rate and a face value of $1000. If the current price of the bond is $848.31, calculate the yield to maturity of the bond (assuming annual interest payments). You will need to use Excel. Please round your answer to two decimal places. Remember to input your answer in decimal form (i.e. 12.34% would be entered as 0.1234).

A three-year bond has a 6.0% coupon rate and face value of $1000. If the yield to maturity on the bond is 14%, calculate the price of the bond assuming that the bond makes semi-annual coupon interest payments. Assume the first payment will be made 6 months from now. Please round your answer to the nearest penny.

Mr. Hopper is expected to retire in 20 years and he wishes to accumulate $850,000 in his retirement fund by that time. If the interest rate is 11% per year, how much should Mr. Hopper put into the retirement fund each year in order to achieve this goal? [Assume that the payments are made at the end of each year]. Hint: First find the PV of the savings goal. Please round your answer to the nearest dollar.