A TV was sold at a price of 70% higher than it was bought. A fridge was sold at 40% of its price. The price of fridge was Rs. 9000 more than the price of TV. Both the items were sold at a total of Rs. 28800. Find the selling price of the fridge.
1
Rs. 10000
2
Rs. 7800
3
Rs. 21000
4
Rs. 8400