Calculation of individual costs and WACC Lang Enterprises is interested in measuring its overall cost of capital. Current investigation has gathered the following data. The firm is in the $29\%$ tax bracket.

bond.

Preferred stock The firm can sell $7\mathrm{.}5\%$ preferred stock at its $$110-$per$-$share par value. The cost of issuing and selling the preferred stock is expected to be $$4$ per share. Preferred stock can be sold under these terms.

must be underpriced by $$4$ per share, and flotation costs are expected to amount to $$7$ per share. The firm can sell new common stock under these terms.

common stock as the form of common stock equity financing.

a$.$ Calculate the after$-$tax cost of debt.

b$.$ Calculate the cost of preferred stock.

c$.$ Calculate the cost of common stock.

d$.$ Calculate the firm's weighted average cost of capital $($WACC$)$ using the capital structure weights shown in the following table, $.($Round answer to the nearest $0\mathrm{.}01\%)$

Please do the calculation for a$,$b$,$c$,$d