A shopkeeper sold an article at $100 with 15% profit. Then find its cost price?	Choose the correct choice from the following options.
A) $120  B) $100  C) $91  D) $87  E) $69
cost price = selling price *100/(100+profit)   C.P. = 100*100/115 = $87(approximately)   Answer is $87
<result>D</result>
A shopkeeper sold an article at $100 with 15% profit. Then find its cost price?