How does the calculation of the after-tax WACC differ from that of the beforetax WACC? Which method is typically applied in the United States? Why? In what sense could one argue that if managers make...

How does the calculation of the after-tax WACC differ from that of the beforetax WACC? Which method is typically applied in the United States? Why?

In what sense could one argue that if managers make decisions using breakeven analysis, they are not maximizing shareholder wealth? How can breakeven analysis be modifi ed to solve this problem?