A company is considering issuing an annual coupon bond. The annual coupon rate will be set equal to the annual effective yield rate plus 0.02. The company calculates a sale price of $120.21 for an n-year bond with face amount 100, and a sale price of $128.17 for a 2n-year bond with face amount 100. Find the price of a 3n-year bond with a face amount of 100.