20. Taxes and the Cost of Capital. Here is Icknield's market-value balance sheet (figures in $ millions): Net working capital $ 550 Debt $ 800 Long-term assets 2,150 Equity 1,900 Value of firm $2,700 $2,700 The debt is yielding 7%, and the cost of equity is 14%. The tax rate is 21%. Investors expect this level of debt to be permanent. (LO16-2) a. What is Icknield's WACC? b. How would the market-value balance sheet change if Icknield retired all its debt?