Blue Inc has a debt equity ratio of $0\mathrm{.}4.$ The firm also has $40\%$ dividend payout ratio, a beta of $1\mathrm{.}2$ and a tax rate of $40\%.$ Given this information, which of the following statements is correct? The aftertax cost of debt will be greater than the current yield$-$to$-$maturity on the firm's bonds. The firm's cost of preferred is most likely less than the firm's actual cost of debt. The firm's cost of equity is unaffected by a change in the firm's tax rate. The firm's weighted average cost of capital will remain constant as long as the capital structure remains constant.