Question 4 2 Points Which of the following choices best describes the role of taxes on the after-tax cost of capital in the U.S. from the different capital sources? Common equity: no effect; preferred equity: decrease; debt: decrease Common equity: decrease; preferred equity: decrease; debt: no effect Common equity: no effect; preferred equity: no effect; debt: decrease Common equity: decrease; preferred equity: decrease; debt: decrease E Common equity: decrease; preferred equity: decrease; debt: decrease