The marked price of an article is Rs. 640. If 10% discount is offered on the marked price of an article, then a profit of Rs. 54 is earned. Find the approximate profit or loss percent if the discount is increased to 30%.

The marked price of an article is Rs. 640. If 10% discount is offered

1.	The marked price of an article is Rs. 640. If 10% discount is offered on the marked price of an article, then a profit of Rs. 54 is earned. Find the approximate profit or loss percent if the discount is increased to 30%.
A.	14.2% loss
B.	16.4% loss
C.	11.7% profit
D.	12.2% profit
E.	15.1% loss
Answer» B. 16.4% loss