A shopkeeper invested an amount of “Rs. S” at the rate of 7.5% S.I. per annum and an amount of “Rs. T” at the rate of 9.5% S.I. per annum. It received an interest of Rs. 72000 at the end of the year. Had he interchanged the amounts invested, he would have received an interested of Rs. 82400. Then |S – T| = ?
1
Rs. 5,10,000
2
Rs. 5,40,000
3
Rs. 5,20,000
4
Rs. 5,60,000