Part B: Calculate the value of these bonds:

1) 10-year bond, with $1000 principal, a coupon rate 9% and discount rate 12%

2) 5-year bond, with $1000 principal, a coupon rate 3.5% and discount rate 5.5%

3) 30-year bond, with $1000 principal, a coupon rate of 7.5% and discount rate of 7.5%