Please explain

Score: 0 of 1 pt XEnd of Chapter 5.6 Suppose that you just bought a four-year $1 000 coupon bond with a coupon rate of 5.3% when the market interest rate s 5 3% One year later, the market interest rate 6 of 10 Test Score: 75%, 7.5 of 10 pts falls to 3.3%. The rate of return earned on the bond during the year was 10.93%. (Round your response to two decimal places)