An all-equity firm is considering the following projects: The T-bill rate is 4%, and the expected return on the market is 11%. a. Compared with the firm's 119 cost of canital. Project Whas a expected return. Project x has a expected return, Project Y has a expected return, and Project z has a expected retum b. Project W should be Project X should be Project Y should be and Prolect Z should be c. c. If the firm's averall cost of copital were used as a hurdic tate, Project W would be Project Y would be | , and Project Z would be Project would be