A manufacturer sells an item to a wholesale dealer at a profit of 11%. The wholesaler sells the same to a retailer at a profit of 15%. The retailer in turn sells it to a customer for ₹17,940, thereby earning a profit of 19%. The cost price of the manufacturer is (consider the integral part only):
1
₹12,633
2
₹11,810
3
₹15,325
4
₹10,956