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In market business there is a chain relation between manufacturer and consumers. A cloth manufacturing company manufactures shirts and trousers and sells them to the wholesale dealer at a profit of 20%, who in turn sells it to a retailer at a profit of 10%. The retailer sells it to the consumers for the cost of Rs. 850 per pieces and still makes the profit of 25%. The cost price of the article is:

A)  Rs. 515.15

B)  Rs. 550.25     

C)  Rs. 415.75

D)  Rs. 475.25

E)  None of these