Leona bought a 1-year, $10000 certificate of deposit that paid interest at an annual rate of 8 percent compounded semiannually. What was the total amount of interest paid on this certificate at maturity?
(A)$10464
(B)$864
(C)$816
(D)$800
(E)$480
答案是(C)...有點不太了解題目意思...還請各位幫忙看一下..謝謝