Lonsdale Inc, has no debt but can borrow at 8%. The firm's WACC is currently 12%, and the tax rate is 35%. 1. What is the firm's cost of equity? 2. If the firm converts to 25% debt, what will its cost of equity be? 3. If the firm converts to 50% debt, what will its cost of equity be? 4. What is the company's WACC in part (b)? In part (c)