Investments	Beta	Analyst's Estimated Return
Stock X	2.3	15.5%
Stock Y	1.2	13.6%
Market Portfolio		11.5%
Risk-Free Rate		4.0%

Refer to Exhibit 9.18. Based on the analyst's estimated return and the stocks' betas the analyst should

a. sell both Stock X and Stock Y.

b. sell Stock X and Buy Stock Y.

c. buy Stock X and Sell Stock Y.

d. buy both Stock X and Stock Y.

e. None of these are correct.