Refi Corporation is planning to repurchase part of its common stock by issuing corporate debt As a result the firms debrequity ratio is expected to rise from 30 perceni to 50 petcent The firm currentily has $333 milion worth of debt outstand ing. The cost af inif perpetuity and pary no taxes. t. What is the math ch vive of the frim before and after the repurchase announcement? (Do not round intermediote colculations and enter your answers in doliars, not millions of dollors, rounded to the neorest whole number, e.g. 1,234,567) b. What is the expected retum on the firm's equity before the announcement of the stock repurchase plan? poo not round intermedinte esteulationt and onter your answer as a percent rounded to 2 decimal ploces, e.g. 32.16.) c. What is the expected retum on the equity of an otherwise identical all equity firm? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimel places, en. 3246 , d. What is the expected retum on the firm's equity after the announcement of the stock repurchase plan? (Do not round intermediate calculations and enteryour answer as o percent rounded to 2 decimal ploces, e.9, 32.16.)