1. Which of the following debt obligations issued by the same corporation is the most secure as to repayment of principal?

Answer: C

Explanation:

Mortgage bonds are the most secure debt obligations regarding repayment of principal.

Mortgage bonds are secured by specific assets of the corporation, typically real estate or physical property, which provides a strong guarantee for repayment of principal to bondholders.

A) Debenture

Debentures are unsecured debt instruments, meaning they are not backed by specific assets or collateral. As a result, they carry a higher risk compared to secured bonds like mortgage bonds, making them less secure in terms of principal repayment.

B) Income bond

Income bonds are contingent on the corporation's earnings, and they only pay interest if the company has sufficient income. This makes them riskier than mortgage bonds, as they do not provide the same level of assurance for the repayment of principal.

C) Mortgage bond

Mortgage bonds are indeed the most secure option because they are backed by specific assets. In the event of a default, holders of mortgage bonds have a claim on the underlying assets, thus ensuring a higher likelihood of principal repayment compared to other types of bonds.

D) Convertible debenture

Convertible debentures are unsecured and allow holders to convert them into equity at a later date. While they may offer potential benefits through conversion, they still lack the security of being backed by specific assets, making them less secure than mortgage bonds in terms of repayment of principal.

Conclusion

Mortgage bonds stand out as the most secure debt obligation due to their backing by physical assets, providing a reliable means of principal repayment. In contrast, debentures, income bonds, and convertible debentures expose investors to higher risks, lacking the asset security that mortgage bonds provide. Therefore, mortgage bonds are the preferred choice for those seeking security in their debt investments.