An all-equity firm is considering the following projects: Project Beta w .75 X .90 Y 1.15 z 1.45 IRR 9.4 % 11.2 14.1 15.5 The T-bill rate is 3.5 percent and the expected return on the market is 12 percent a. Compared with the firm's 12 percent cost of capital, Project W has a expected return, Project Y has a expected return expected return, Project X has a expected return, and Project Z has a b. Project W should be Project X should be Project Y should be and Project Z should be