According to Luxor Ltd. latest financial statement Assets were listed a $2.75 billion with Total Liabilities being $1.22 billion and Total Equity at $1.53 billion. The company had calculated their Weighted Average Cost of Capital as 11.7%, and a tax rate of twenty eight percent. (a) If Luxor Ltd.'s cost of equity is 18%, what is its pre-tax cost of debt? (6 points) (b) If instead, you know that the after-tax cost of debt is 6.5%, what is the cost of equity? (3 points) (c) The Bank of Canada is expecting to decrease interest rates this year. Will this have any impact on the cost of equity capital? Explain your answer as it relates to the overall cost of capital (3 points)