1. Find the price of a 20-year coupon bond with 100$ par value and a coupon rate of 5% for the fi...

1. Find the price of a 20-year coupon bond with 100$ par value and a coupon rate of 5% for the first 17 years and 10% for the last 3. For simplicity assume that the interest rate is constant across all maturities and it is equal to 7.5% pa