A one year zero coupon bond is trading at $0.9 per dollar of face value. A two year zero coupon bond is trading at $0.85 per dollar of face value. What is the no-arbitrage price of a two year coupon bond with a face value of $10 and an annual coupon rate of 10%?

a) $10.

b) $10.25

c) $10.50

d) $10.75