12. bonds are often called by the firm prior to maturity. a. Floating rate b. Mortgage c. Callable d. Municipal e. Corporate 13. Which of the following securities can be converted into common stock by investors? a. Proxy stocks b. Growth stocks c. Preemptive stocks d. Founders' shares e. Preferred stocks 16. Which of the following stocks is a nonvoting stock and is referred to as hybrid stock? a. Common stock b. Preferred stock c. Founders' shares d. Preemptive stock e. Growth stock 19. The difference between the expected rate of return on a given risky asset and the expected rate of return on a less risky asset is known as the a. standard deviation of returns b. variance of returns c. actual rate of return d. risk premium e. risk-adjusted return