An all-equity firm is considering the following projects: TIT Project Beta .53 IRR 10.2% X .92 10.7 14.2 Y 1.08 Z 1.52 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 expected retun, Project X has a expected return, Project Y has a expected return, and Project Z has a expected return