A, B and C started a partnership business by investing Rs.8000, Rs.4000, Rs.2000 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
A) 70000  B) 60000  C) 80000  D) 90000  E) 252000

Rationale: "a : b : c = 8000 : 4000 : 2000 = 4 : 2 : 1 let total profit = p then p ã — 1 / 7 = 36000 p = ( 36000 ã — 7 ) / 1 = 252000 answer is e ."
Answer: E