Time left Identity which of three statements are TRUE About Bonds a Bond issues that mature in installments are called serial bonds b. Companies usually make bond interest payments semiannually, although the interest rate is generally expressed as an annual rate Amortization of a premium increases bond interest expense, while amortization of a discount decreases bond interest expense. Band issues that mature in installments are called serial bonds e. The replacement of an existing bond issue with a new one is called retunding