Ravi and Kavi start a business by investing â‚¹ 5000 and â‚¹ 72000, respectively. Find the ratio of their profits at the end of year.	Choose the correct choice from the following:
A) 2 : 72 B) 5 : 72 C) 7 : 72 D) 1 : 72 E) 3 : 72

Rationale: "ratio of profit = ratio of investments = 5000 : 72000 = 5 : 72 answer : b"
Answer: B