A and B started business on 1st April, 2015 with capitals of Rs.15,00,000 and Rs. 9,00,000 respectively. On 1st October, 2015, they decided that their capitals should be Rs.12,00,000 each. The necessary adjustments in capitals were made by introducing or withdrawing by cheque. Interest on capital is allowed @ 8% p a. Compute interest on capital on 31st March, 2016.