Stock B has a beta of 1.5. The S&P 500 is expected to yield 10% (market's return). Treasuries yield 5% (risk free rate). They expected return is 14%. They should______.

a. buy because the expected return is above required

b. buy because the required return is above the expected.

c. not buy because the expected return is above the required.

d. not buy because the required return is above the expected.