A 5- year zero coupon bond and a 15- year zero coupon bond both carry a price

Question:

A 5- year zero bond and a 15- year zero bond both carry a price of $ 7,500 and a market rate of 8 percent. Assuming that the market rates on both bonds fall to 7 percent, calculate the percentage change in each bond’s price. Coupon
A coupon or coupon payment is the annual interest rate paid on a bond, expressed as a percentage of the face value and paid from issue date until maturity. Coupons are usually referred to in terms of the coupon rate (the sum of coupons paid in a...