Shakib, Tamim and Riyad jointly thought of engaging themselves in a business venture. It was agreed that Shakib would invest Tk. 6500 for 6 months, Tamim, Tk. 8400 for 5 months and Riyad, Tk. 10000 for 3 months. Shakib wants to be the working member for which, he was to receive 5% of the profits. The profit earned was Tk. 7400. Calculate the share of Tamim in the profit.