Pankaj and Sushil invested some amount of money in the ratio of 3:5 for the same period in a business. They decided that at the end of the year 20% profit was to be given to AIDS Control Society of India as a donation. Out of the remaining 75% was to be reinvested and the rest of the profit was to be divided as interest on their capitals. If the difference in their shares is Rs.1200.Find the total profit?