The prices of 1, 2, 3, and 4-year zero coupon government bonds are 95.42,90.36, 85.16 , and 78.81, respectively. The par value of the zero coupon bond is 100 . What is the par coupon on a 4 -year coupon bond selling at par? 6.06% 5.81% 5.43% 5.02%