The difference between simple interest and compound interest on $1200 for one year at 10% per annum reckoned half-yearly is:  Choose one:	A) $5	B) $8	C) $9	D) $3	E) $7
S.I= $[(1200*10*1)/100= 
<gadget id="calculator">(1200*10*1)/100</gadget>
<output>120</output>
$120.   C.I= $[1200*(1+(5/100)^2)-1200]= $123.   Difference= $(123-120)= 
<gadget id="calculator">(123-120)</gadget>
<output>3</output>
$3.   Answer($3)
<result>D</result>
The difference between simple interest and compound interest on $1200 for one year at 10% per annum reckoned half-yearly is: