* Sinking fundsrequire the issuer to redeem a specified portion of the bond issue at regular intervals. This ensures systematic debt reduction and is mandated regardless of market conditions.
* Purchase funds, however, allow the issuer to buy back bonds only if they are available in the market at or below a stipulated price, making redemption conditional on market conditions.
* B. Sinking funds can redeem bonds only if they trade below a stipulated price: This applies to purchase funds, not sinking funds.
* C. Sinking funds involve the issuer determining when bonds are redeemed while purchase funds involve the investor determining when the bonds are redeemed: Investors have no role in determining bond redemption under either method.
* D. Sinking funds can redeem the bonds any time while purchase funds follow a prearranged schedule:
Sinking funds follow a schedule, and purchase funds rely on market conditions.