Suleiman, Abdullah and Salim started business on Jan 1, 2021 with capitals of OMR 80,000, OMR 60,000 and OMR 40,000 respectively. Suleiman introduced OMR 5,000 as additional capital on 1 May 2021 and Abdullah introduced OMR 10,000 as additional capital on 1st Sept 2020. Interest on capital is to be allowed @ 7.5%. Calculate the Interest on Capital payable to Sulaiman, Abdullah and Salim for the year ending Dec 31, 2021