A person buys 5 tables and 9 chairs for Rs. 15,400. He sells the tables at 10% profit and chairs at 20% profit. If his total profit on selling all the tables and chairs is Rs. 2,080 what is the cost price of 3 chairs?
1
Rs. 1,860
2
Rs. 1,740
3
Rs. 1,800
4
Rs. 1,890