A and B start a business, with A investing the total capital of Tk.50000, on the condition that B pays A interest @ 10% per annum on his half of the capital. A is a working partner and receives Tk.1500 per month from the total profit and any profit remaining is equally shared by both of them. At the end of the year, it was found that the income of A is twice that of B. Find the total profit for the year?