What will be the difference between simple and compound interest @10% per annum on a sum of $1000 after 4 years?
Choose the most appropriate option
A) $48.12	B) $52.64	C) $64.10	D) $72.85	E) $60.10
S.I. = 1000*10*4/100= 
<gadget id="calculator">1000*10*4/100</gadget>
<output>400</output>
$400   C.I.= 1000 * (1 + 10/100)^4 - 1000 = $464.10   Difference = 464.10-400= 
<gadget id="calculator">464.10-400</gadget>
<output>64.1</output>
$64.10   Answer is $64.10
<result>C</result>
What will be the difference between simple and compound interest @10% per annum on a sum of $1000 after 4 years?