A merchant marks his goods up by 30% and then offers a discount of 10% on the marked price. What % profit does the merchant make after the discount?	Choose the correct choice from the following answers:	A) 17 %	B) 25 %	C) 69 %	D) 31 %	E) 19 %

Rationale: "let the price be 100 . the price becomes 130 after a 30 % markup . now a discount of 10 % on 130 . profit = 117 - 100 17 % answer a"
Answer: A