How do taxes affect the weighted average cost of capital?
Taxes decrease both the cost of debt and the cost of equity because both interest payments and dividends are tax-deductible.
Taxes increase both the cost of debt and the cost of equity because both interest payments and dividends are tax-deductible.
Taxes decrease the cost of debt only because interest payments are tax-deductible and dividends are not.
Taxes decrease the cost of equity only because dividends are tax-deductible and interest payments are not.
Taxes have no effect because neither interest payments nor dividends are tax-deductible.