1. Suppose Hillard Manufacturing sold an issue of bonds with a 10-year maturity, a $1,000 par value, a 10% coupon rate, and semiannual interest payments.

1. Two years after the bonds were issued, the going rate of interest on the bonds such as these fell to 6%. At what price would the bonds sell?
2. Suppose that 2 years after the initial offering, the going interest rate had risen to 12%. At what price would the bonds sell?

We cannot use financial calculators for this problem ,so please show the formulas your using or how you get each number !!