Explanation:

To calculate the interest earned on a sum of money using simple interest, use the formula:

$$\text{Simple Interest}=\frac{P\times R\times T}{100}$$

- P is the principal amount, Rs 6,000.

- R is the rate of interest, 8.4% per annum.

- T is the time period, 5 years.

Perform the calculation:

$$\text{Simple Interest}=\frac{6000\times 8.4\times 5}{100}=Rs2,520$$

- Option 1: Rs 2,520 - This is the correct option.

- Option 2: Rs 2,252 - Incorrect.

- Option 3: Rs 2,220 - Incorrect.

- Option 4: Rs 2,250 - Incorrect.

Based on the calculation: