An all-equity firm is considering the following projects: Project Beta IRR W 62 9.2 % X 77 10.3 Y 1.27 14.1 7 1.42 17.0 The T-bill rate is 5 percent, and the expected return on the market is 12 percent. Compared with the firm's 12 percent cost of capital, Project W has a expected return, Project X has a expected return, Project Y has a expected retun, and Project Z has a expected return. Project W should be Project X should be Project Y should be and Project Z should be 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 and Project Z would be