please show step by step calculations into a financial calculator

iClou Problem 6 (5 points) B. Guardiola Corporation (BGC)'s stock is currently selling for $50 per share. The last dividends paid by BGC were $2.00 per share. BGC is expected to grow at an 8 percent constant rate forever. The risk-free rate is 4 percent, the market risk premium is 6.6 percent, and BGC's beta is 1.25. BGC bonds are matured in 25 years with an 8 percent coupon rate. The par value of bonds is $1000, and the interest payments are made annually. The bonds are currently selling for $960 per bond. BGC's target capital structure is 40% debt and 60% common equity. BGC's tax rate is 40% Tags o Ye Gr OL a) What is the firm's before-tax cost of debt, b) what is the firm's after-tax cost of debt, c) What is firm's cost of common equity using CAPM approach, d) What is firm's cost of common equity using discounted cash flow approach, and o) what is firm's WACC using CAPM approach. (5 points)