A $7,500 bond had a coupon rate of 4.50% with interest paid semi-annually. Mary purchased this bond when there were 9 years left to maturity and when the market interest rate was 4.75% compounded semi-annually. He held the bond for 2 years, then sold it when the market interest rate was 4.25% compounded semi-annually. a. Calculate the purchase price of the bond. Round to the nearest cent b. Calculate the amount that Mary received when he sold the bond. Round to the nearest cent