Which of the following statements about preferred stock vs. bonds is true?

Select one: a. Preferred stock and preferred bonds are basically the same type of investment b. Preferred stock is riskier than bonds therefore pays a higher yield c. Preferred stock is less risky than bonds, but pays a higher yield d. Preferred stock allows for tax advantages for corporate investors e. Preferred stock allows for tax advantages for individual investors, and can therefore carry a lower yield than bonds