BHP is a MNC with a corporate-wide long-term debt to equity ratio of 0.75. BHP prefers to issue corporate bonds at a post-tax cost of 4.55%, and a cost of common equity capital of 13.08%. Suppose that the marainal tax rate is 10%. The MNC is interested in pursuing an offshore mining project. The debt capacity of the offshore project is 35% and the required return on equity is 9% stemming from a levered beta of 0.2692,
i. What is the weighted average cost of capital (WACC) of the project?

ii. What is the unlevered beta of the project?