A government bond matures in 5 years, makes annual coupon payments of 4.1% and offers a yield of 2.1% annually compounded. Assume face value is $1,000. (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) a. Suppose that one year later the bond still yields 2.1%. What return has the bondholder earned over the 12 -month period? b. Now suppose that the bond yields 1.1% at the end of the year. What return did the bondholder earn in this case