Debentures Questions

When debentures are issued at par and are redeemable at a premium, the premium payable on redemption is debited to which account at the time of issue?

The following journal entry appears in the books of X Co. Ltd.:
$$\begin{array}{llcc}\text{Bank A/c}& \text{Dr.}& 4,75,000& \\ \text{Loss on issue of debenture A/c}& \text{Dr.}& 75,000& \\ \text{To }12\%\text{ Debentures A/c}& & & 5,00,000\\ \text{To Premium on Redemption of Debenture A/c}& & & 50,000\end{array}$$
Based on this entry, the debentures have been issued at a discount rate of:

When debentures are issued at a discount, under which of the following types is the difference between their nominal value and the issue price explicitly treated as the total amount of interest over their tenure?

ABC Ltd. issued $3,000$, $14\%$ Debentures of $\text{Rs. }100$ each at a discount of $5\%$ on April 1, 2023. What is the total discount amount on the issue of these debentures?