The correct answer is: B. Unsecured short-term debt.
Commercial paper is a type of unsecured, short-term debt instrument issued by large corporations to meet short-term financing needs. It is typically issued at a discount to face value and matures in 270 days or less. Commercial paper is considered to be a relatively safe investment, as it is backed by the creditworthiness of the issuer.
A fixed coupon bond is a type of debt instrument that pays a fixed interest rate on a regular basis, usually semi-annually. The interest rate is called the coupon rate, and it is usually set at the time the bond is issued. The principal amount of the bond, also called the face value, is repaid at maturity.
Equity share capital is a type of security that represents ownership in a company. When you buy shares in a company, you become a part-owner of that company. Equity shares are also called common stock or ordinary shares.
A government bond is a type of debt instrument issued by a government. Government bonds are considered to be very safe investments, as they are backed by the full faith and credit of the government.