Hello, can I please get a step by step solution using excel? Thank you!

Dickson, Inc., has a debt-equity ratio of 2.3. The rm's weighted average cost of capital is 11 percent and its pretax cost of debt is 8 percent. The tax rate is 23 percent. a. What is the company's cost of equity capital? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 3216J b. What is the company's unlevered cost of equity capital? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 3216J c. What would the company's weighted average cost of capital be if the company's debt- equity ratio were .80 and 1.30? (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) al a Unlevered cost of equity _- a WACC if debt-equity ratio = 0.80 _- I WACC if debt-equity ratio = 1.30 _