finance problem

Which one of the following statements is false? a. Because of the tax effect, the cost of equity capital is generaly lower than the cost of debt capital, b. Because of the tax ellect, the cost of debt capital is generally lower than the cost of equity capital. c. The cost of capital may also be caled a hurdie rale or minimum required rate of retum cn long-teem capital kivestrnents. d. When the cost of capital is adjusted to a higher minimum required rate of retum to acoount for possible error in forecasting related to capital bucgoting projects and the determinasion of the cest of copital, the new rate and al other ackusted for-fisk rates are called hurde rates. e. Fiotation costs ace generacy higher for common atock than for debt financing