NO.PZ2023091701000006
问题如下：
An investment manager holds a variety of equity and debt securities issued by a firm. These securities include floating rate notes, participating bonds, income bonds, and preferred stock However; the tern faces financial difficulties and is in danger of default. Which of the following would constitute an act of default by the issuer?
选项：
A.Failure to pay interest to the holders of a floating-rate note B.Failure to pay a share of before-tax earnings to the holders of a participating bond C.Failure to pay dividends to the holders of preferred stock D.Failure to pay coupons to the holders of income bonds
解释：
哪些类型的债券属于强制支付利息的？
