Weston cost of equity capital

Question

Problem:

Weston Industries has a debt-equity ratio of 1.5. Its WACC is 9.2 percent, and its cost of debt is 6%. The Corporate tax rate is 35%.

Required:

Question 1: What is Weston's cost of equity capital?

Question 2: What is Weston's unlevered cost of equity capital?

Question 3: What would the cost of equity be if the debt-equity were 2?

Question 4: What would the cost of equity be if the debt-equity ratio were 1?

Question 5: What would the cost of equity be if the debt-equity ratio were 0?

Note: Please solve the given numerical and provide appropriate solution.