The cost price of an article is 64% of the marked price. Calculate the gain percent after allowing a discount of 15%?	Choose the correct choice from the following choices
A) 32.8%	B) 37.6%	C) 38.5%	D) 17.5%	E) 37.2%
Let marked price = Rs. 100.   Then, C.P. = RS. 64, S.P. = Rs. 85   Gain % = 21/64 * 100 = 32.8%.   32.8%nswer: 32.8%
<result>A</result>
The cost price of an article is 64% of the marked price. Calculate the gain percent after allowing a discount of 15%?