In a restaurant, the profit is 160% of the cost. If the cost increases by 12% but the selling price remains constant, approximately what percentage of the selling price is the profit?  Choose the correct answer:
A) 30% B) 57% C) 90% D) 100% E) None of these
Explanation :   Let C.P.= Rs. 100. Then, Profit = Rs. 160, S.P. = Rs. 260.   New C.P. = 112% of Rs. 100 = Rs. 112   New S.P. = Rs. 260.   Profit = Rs. (260 - 112) = Rs. 148.   Required percentage = (148 /260 *100) % = 57 % appox   Answer : 57%
<result>B</result>
In a restaurant, the profit is 160% of the cost. If the cost increases by 12% but the selling price remains constant, approximately what percentage of the selling price is the profit?