Cold Boxes Ltd

Cold Boxes Ltd.has 100 bonds outstanding (maturity value = R1,000) .The required rate of return on these bonds is currently 10 percent, and interest is paid semi-annually.The bonds mature in 5 years, and their current market value is R768 per bond.What is the annual coupon interest rate?

A) 8%
B) 6%
C) 4%
D) 2%
E) 0%