In what time a sum of money double itself at 2% per annum simple interest?  Pick one:	A) 60%	B) 58%	C) 55%	D) 40%	E) 50%
P = (P*2*R)/100   R = 50%   ANSW50%R:50%
<result>E</result>
In what time a sum of money double itself at 2% per annum simple interest?