An all-equity firm is considering the following projects: Project Beta W .68 .75 Y 1.39 Z 1.50 IRR 10.2 % 10.7 14.2 17.2 The T-bill rate is 5.2 percent, and the expected return on the market is 12.2 percent. Compared with the firm's 12.2 percent cost of capital, Project W has a lower expected return, Project X has a (lower expected return, Project Y has a lower expected return. higher expected return, and Project Z has a If the firm's overall cost of capital were used as a hurdle rate, Project W would be Project X would be Project Y would be 1 and Project Z would be correctly accepted incorrectly accepted correctly rejected incorrectly rejected