A trader marks his product 40% above its cost. He sells the product on credit and allows 10% trade discount. In order to ensure prompt payment, he further gives 10% discount on the reduced price. If he makes a profit of Rs. 67 from the transaction, then the cost price of the product is  Choose the correct answer
A) Rs. 300
B) Rs. 400
C) Rs. 325
D) Rs. 500
E) Rs. 600
M.P = C.P *1.4   Profit = S.P - C.P = C.P ( 1.4 ) ( 0.9 ) ( 0.9 ) – C.P = 67   C.P ( 1.134 – 1 ) = 67,   C.P = 500   ANSWER:Rs. 500
<result>D</result>
A trader marks his product 40% above its cost. He sells the product on credit and allows 10% trade discount. In order to ensure prompt payment, he further gives 10% discount on the reduced price. If he makes a profit of Rs. 67 from the transaction, then the cost price of the product is