Josh and Krish are partners sharing profits and losses in the ratio of 3:1. Their capitals at the end of the financial year 2015-2016 were Rs. 1,50,000 and Rs. 75,000. During the year 2015-2016, Josh’s drawings were Rs. 20,000 and the drawings of Krish were Rs. 5,000, which had been duly debited to partner’s capital accounts. Profit before charging interest on capital for the year was Rs. 16,000. The same had also been debited in their profit sharing ratio. Krish had brought additional capital of Rs. 16,000 on October 1, 2015. Calculate interest on capital @ 12% p.a. for the year 2015-2016