Please complete these problem sets in Microsoft Excel 7-21 Compute the price of a 3.8 percent coupon bond with 15 years left to maturity and a market...

Please complete these problem sets in Microsoft Excel 

7-21 Compute the price of a 3.8 percent coupon bond with 15 years left to maturity and a market interest rate of 6.8 percent. (Assume interest payments are semiannual.) Is this a discount or premium bond?