A, B and C started a business with initial investments of Rs. 20000, Rs. 25000 and Rs. 10000, respectively. After 5 months from start, A invested Rs. 4000 more. After 6 months from start, C invested Rs. 8000 more. After 4 months from start, B withdrew Rs. 8000. At the end of the year, they will receive a profit of Rs. 'x'. In what ratio they will share the profits ?