Are the following true or false? Explain. a. Stocks with a beta of zero offer an expected rate of return of zero. b. The CAPM implies that investors require a higher return to hold highly volatile...

Are the following true or false? Explain.
a. Stocks with a beta of zero offer an expected rate of return of zero.
b. The CAPM implies that investors require a higher return to hold highly volatile securities.
c. You can construct a portfolio with beta of .75 by investing .75 of the investment budget in T-bills and the remainder in the market portfolio.