Answer: reinvestment of coupon payments.

## Explanation For an investor in a fixed-rate corporate bond, the primary sources of return are: 1. **Coupon payments** - Regular interest payments from the bond issuer 2. **Reinvestment of coupon payments** - Income earned by reinvesting the coupon payments received 3. **Capital gain/loss** - Changes in the bond's price relative to purchase price Let's analyze each option: **A. bid-ask spread** - This is a trading cost, not a source of return. The bid-ask spread represents the difference between what buyers are willing to pay (bid) and what sellers are asking (ask). It's a transaction cost that reduces returns, not a source of return. **B. interest on the collateral** - Corporate bonds are typically unsecured debt obligations. They are not collateralized like mortgage-backed securities or asset-backed securities. Corporate bonds rely on the issuer's creditworthiness, not specific collateral. Therefore, interest on collateral is not applicable to most corporate bonds. **C. reinvestment of coupon payments** - This is a legitimate source of return. When investors receive coupon payments, they can reinvest those funds to earn additional income. The reinvestment rate risk is an important consideration in bond investing, as the ability to reinvest coupon payments at favorable rates affects total return. **Correct Answer: C** The reinvestment of coupon payments represents income-on-income, which contributes to the total return of a bond investment over time. This is particularly important for bonds with longer maturities and higher coupon rates, where reinvestment income can significantly impact total returns.

Author: LeetQuiz .