Anand, Balu, and Charan entered into a partnership by investing Rs. 30000, Rs. 25000 and Rs. 40000 respectively. After 4 months, Anand withdraws two-fifth of the amount and Balu invested Rs. 15000 more. And after 3 more months, Charan withdraws three-fifth of the amount. Find the total profit at the end of the year, if the share of Balu is Rs. 70000?