A, B and C are partners in a business. A invested Rs. 4000 for the whole year, B invested Rs. 6000 initially but increased his investment up to Rs. 8000 at the end of 4 months, while C invested Rs. 8000 initially but withdrew Rs. 2000 at the end of 9 months. At the end of the year, total earned profit is Rs. 16950. Find their shares of profit.