**Question:** A person borrows Rs. 5000 for 2 years at 4% p.a. simple interest. He immediately lends it to another person at 6 p.a for 2 years. Find his gain in the transaction per year.

**Options are:**

A. Rs. 112.50

B. Rs. 125

C. Rs. 150

D. Rs. 167.50

Correct answer is:

A. Rs. 112.50