Smiley Industrial Goods has $1,000 face value bonds on the market with semiannual interest payments, 13.5 years to maturity, and a market price of $1,023. At this price, the bonds yield 6.4 percent. What must be the coupon rate on these bonds?

A) 3.75 percent B) 6.66 percent C) 7.50 percent D) 7.33 percent E) 3.33 percent