Company issues new shares and uses proceeds to repay high-interest debt.

Effects:

Cost of equity (A): financial risk falls as gearing falls → cost of equity is more likely to decrease, not increase.

Number of shares (B): new share issue → increases.

Corporate tax payment (C): interest expense falls, taxable profit rises → tax paid increases.

Gearing (D): debt falls and equity rises → gearing decreases, not increases.

Interest cover (E): operating profit unchanged, interest lower → interest cover increases.

Answer: B, C and E