A. Rs. 704
B. Rs. 640
C. Rs. 774
D. Rs. 680
A shopkeeper allows a 20% discount on the marked price of an article and still earns a 10% profit on the cost price. If the marked price is Rs. 880, what is the cost price of the article?
A. Rs. 704
B. Rs. 640
C. Rs. 774
D. Rs. 680