Ramesh, Sumit and Vyas enter into a business agreement where each of these contributes Rs 3000, Rs 4000 and Rs 7000 towards the initial funding of the business. At the end of the year, the business fetches a profit of Rs 2700 of which 30% is kept aside for emergency needs. Of the remaining, 40% is adjusted for the existing business loan. What is the annual return percentage for Vyas on the investment made?