A, B and C started a partnership business by investing Rs.27000, Rs.72000, Rs.81000 respectively. At the end of the year , the profit were distributed among them. If C's share of profit is 36000, What is the total profit?	Choose the correct choice from the following answers:
A) 70000	B) 60000	C) 80000	D) 90000	E) 50000

Rationale: a : b : c = 27000 : 72000 : 81000 = 3 : 8 : 9 let total profit = p then p × 9 / 20 = 36000 p = ( 36000 × 20 ) / 9 = 80000 answer is c .
Answer: C