The following journal entry appears in the books of X Co. Ltd.
\[\text{Bank A/c Dr. 4,75,000} \\ \text{Loss on Issue of Debentures A/c Dr. 75,000} \\ \text{To 12\% Debentures A/c 5,00,000} \\ \text{To Premium on Redemption of Debenture A/c 50,000} \]
In this case, the debentures have been issued at a discount of 5%. What is the rate of premium on redemption of debentures?

| S. No. | Particulars | Amount (in ₹ crore) |
|---|---|---|
| (i) | Operating Surplus | 3,740 |
| (ii) | Increase in unsold stock | 600 |
| (iii) | Sales | 10,625 |
| (iv) | Purchase of raw materials | 2,625 |
| (v) | Consumption of fixed capital | 500 |
| (vi) | Subsidies | 400 |
| (vii) | Indirect taxes | 1,200 |