An agricultural Co-operative society gives agricultural loan to its members at the rate of simple interest of 4% per annum. But interest is to be given at the rate of simple interest of 7.4% per annum for a loan taken from the bank. If a farmer being a member of the Co-operative Society takes a loan of ₹ 5000 from it instead of taking loan from the bank, then let us write, by calculating, the money to be saved as interest per annum.