The DEF Company has debt of $9m and equity of $5m (at book value) or $15m (estimated equity market value). Currently its equity beta is 1.2. c. Calculate DEF's asset beta. Starting today, DEF plans to adjust its leverage (but not its total capital) so that its debt will be $5 m, with an expected rating of BBB. Current capital market yields (in \%) are described in the table below, and the market equity risk premium is thought to be 5%. The corporate tax rate is 25%. d. Calculate DEF's long-run cost of equity. e. Calculate DEF's weighted average cost of capital. f. How would your answer to questions c. through e. change if you know that DEF currently has excess cash of $4m, which it intends to pay out to investors shortly