Please show all formulas and highlight answers.

Please show all formulas and work. Thank you. Quinoeleyyz's balance sheet shows levels Quinoelez's levels of debt, preferred stock, and equity below. Quinoeleyyz's tax rate, cost of debt, rd, cost of preferred stock, rPS, and cost of equity, rs, are listed below: Debt= 600 PSN 85 Equity= 600 Total= 1285 T= 36% rD= 8% rPS= 5% rs= 15% a. Calculate the actual weights of debt, preferred stock, and equity in Quinoeleyyz's capital structure. wd= ? wps= ? we= ? b. Calculate the after-tax cost of debt. T= 36% rD= 8% rPS= 5% rs= 15% after-tax= ? c. Calculate the WACC using Quinoelez's actual weights of debt, preferred stock, and equity. Actual weights