owners of which securities can take the firm into bankruptcy proceedings if he firm defaults on the payments that are promised?

A serial bond is a bond issue in which the firm commits ahead of time to issuing bonds at a particular point in time and specifies it will also issue bonds at specific later points in time in the future (for example, the firm states it will issue new bonds each February 15 for 4 years?

consider a $40 par value share of preferred stock with a 4% dividend rate (paid quarterly, first dividend one quarter from today) and a 15-year life.If investors have a required rate of return rate of 14% (EAR, or APY), what should be today's price of one share?

what is the quoted price of a 15-year 7% bond with semiannual coupons, a face value of $1000, and a yield to maturity of 8.0%?