You are consultant studying the capital restructuring of Lambton Bros. The firm's current WACC is 12.5% and marginal corporate tax rate is 34.0%. The firm's market value is currently distributed 75.0% equity and 25.0% debt. The debt mainly consists of an outstanding bond that trades at a yield to maturity of 9.2% and is expected to remain constant. The risk-free rate is 3% and the expected return on the market portfolio is 9.5%. Lambton Bros is strategically positioning itself for an acquisition of a rival firm and has the capacity to increase its debt 70.0% if needed. Answer the following questions (all parts are equally valued): 1. What is the current equity cost of capital? % (Give answer as \% to 4 decimal places) 2. What is the beta risk of Lambton Bros? (Give answer to 4 decimal places) 3. What is the unlevered beta risk of Lambton Bros? (Give answer to 4 decimal places) 4. If the firm increases its debt to 70.0%, what is the new beta risk of the firm? (Give answer to 4 decimal places) 5. What would be the new equity cost of capital? \% (Give answer as percentage to 4 decimal places) 6. What would be the new WACC of the firm? \% (Give answer as percentage to 4 decimal places)