I borrowed Rs 12,000 from Jamshed at 6% per annum simple interest for 2 years. Had I borrowed this sum at 6% per annum compound interest, what extra amount would I have to pay?

Explanation

To solve the problem, we will calculate both the simple interest and the compound interest for the given amount, and then determine the extra amount that would need to be paid if the loan was taken at compound interest instead of simple interest.

### Step-by-Step Solution:

1. **Calculate Simple Interest (SI)**:
- The formula for Simple Interest is:
\[
SI = \frac{P \times R \times T}{100}
...