Which of the following statement is incorrect?

a. Given the historical information in the chapter, the beta of a corporate bond should be greater than the beta of a small stock.

b. With complete diversification, all of the unsystematic risk is eliminated from the portfolio.

c. Beta refers to the measure of systematic risk.

d. Most of the answers are correct except one.

e. A beta of 1 tells us that an asset has just as much systematic risk as the market.