The correct answer is: A. irredeemable
Debentures are loans that a company makes to investors. They are usually issued with a fixed interest rate and a maturity date, at which point the company must repay the loan to the investors. Debentures can be either redeemable or irredeemable. Redeemable debentures can be repaid by the company at any time, but irredeemable debentures must be repaid on the maturity date.
Option A, irredeemable, is the only option that is not a characteristic
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