21. You have been asked to estimate the value of a 10-year bond with a coupon that will be low initially but it is expected to grow later in the bond's life. The coupon is expected to be 5% of the face value of the bond (which is $ 1000) for the first 5 years, and will increase by 1% every year for the next 5 years the coupon rate w year 8,9% in year 9 and 10% in year 10. Estimate the value of this bond. ill be 6% in year 6,7% in year 7,8% in