Find the compound interest on $100000 in 2years at 4% per annum, the interest being compounded half-yearly?	Select the correct option.
A) $645.56 B) $824.32 C) $954.26 D) $745.69 E) $8243.21
Principle = $10000   Rate = 2% half yearly = 4 half years   Amount = 100000*(1 + 2/100)^4 = 100000 * 51/50 * 51/50 * 51/50 * 51/50   = $108243.21   C.I. = 108243.21-100000= 
<gadget id="calculator">108243.21-100000</gadget>
<output>8_243.21</output>
$8243.21   Answer is $8243.21
<result>E</result>
Find the compound interest on $100000 in 2years at 4% per annum, the interest being compounded half-yearly?