WACC Solution Step 2- Calculate after-tax WAcc 70 30 k ×0.237 012×(1-0.30) 100 '*lI 100 0.1659+0.0252 =0.1911or19.11WACC Solution Step 2 – Calculate after-tax WACC ( ) 0.1911or 19.11% 0.1659 0.0252 0.12 1- 0.30 100 30 0.237 100 70 ka = = +       +         = 