21. Taxes and the Cost of Capital. Here are book- and market-value balance sheets of the United Frypan Company (figures in S millions): BOOK-VALUE BALANCE SHEET Net working capital Long-term assets $ 20 80 $100 Debt Equity $ 40 60 $100 MARKET-VALUE BALANCE SHEET $ 20 140 $160 $ 40 120 $160 Net working capital Long-term assets Debt Equity Assume that MM's theory holds except for taxes. There is no growth, and the $40 of debt is expected to be permanent. Assume a 35% corporate tax rate. (1016-2) a. How much of the firm's value is accounted for by the debt-generated tax shield? b. What is United Frypan's after-tax WACC if re,-8% and requity-15%? c. Now suppose that Congress passes a law that eliminates the deductibility of interest for tax purposes. What will be the new value of the firm, other things equal? Assume an 8% borrowing rate