An analyst gathered the following information about spot rates and a coupon bond (all rates are annual) issued by Farrili Corporation: Spot rate, six-month aero coupon bond 7.0% Spot rate, one-year zero coupon bond 8.0% One year risk-free rate 6% Price for one-year, 9% coupon bond $1010 (semiannual payments, par value $1000) Using the arbitrage-freed approach to valuing bonds, the coupon bond is:（）

A. overvalued.

B. properly valued.

C. undervalued.