4 wacc and taxes why do we use an aftertax figure for cost of debt but not for cost 1309595

4.        WACC and Taxes   Why do we use an aftertax figure for cost of debt but not for cost of equity?

5.        DCF Cost of Equity Estimation    What are the advantages of using the DCF model for determining the cost of equity capital? What are the disadvantages? What specific piece of information do you need to find the cost of equity using this model? What are some of the ways in which you could get this estimate?