Sam invested $15000 @10% per annum for one year. If the interest is compounded half yearly, then the amount received by Sam at the end of the year will be?	Select the correct option
A) $ 16537.50	B) $ 24512.56	C) $ 18475.89	D) $ 15478.56	E) $ 12456.35

Rationale: p = $ 15000 r = 10 % p . a . = 5 % t = 2 half years amount = 15000 * ( 1 + 5 / 100 ) ^ 2 = 15000 * 21 / 20 * 21 / 20 = $ 16537.50 answer is a
Answer: A