A dealer of sarees sold two types of sarees viz. A & B. On A type of sarees he announced 20% discount and on B type of sarees he announced 15% discount. If a person bought A type of saree at Rs. 640 and B type of saree at Rs. 170, what was the actual total cost of the sarees?

• A. Rs. 900
• B. Rs. 1200
• C. Rs. 1000
• D. Rs. 800