The Star Company's projected year-end balance sheet for the upcoming project is shown below. The balance sheet shows the amount of funds that will be raised using different financing modes. Assets Liabilities and Equity Cash $120 Accounts receivable 240 Inventories 360 Long-term debt $1,152 Plant and equipment, net 2,160 Common equity 1,728 Total assets $2,880 Total liabilities and equity $2,880 Its cost of common equity is 15%, its before-tax cost of debt is 12%, and its corporate tax rate is 35%. Calculate Star Company's cost of capital (WACC) using the book values. (6 marks)