Question 2 a) YYY Berhad has a debt-equity ratio of 1.5. Its WACC is 12%, and its cost of debt is 12 % The corporate tax is 35%. i Calculate YYY Berhad's cost of equity capital. (6 marks) i. Calculate YYY Berhad's unlevered costs of equity capital. (4 marks) Calculate the cost of equity if the debt-equity ratio were 2 and calculate cost of equity if the debt-equity ratio changes to 1 and 0 respectively (9 marks) b) Discuss the THREE (3) disadvantages of holding a warrant as investment tools. (6 marks)