Please provide detailed calculations

The following information relates to Alpha Inc. Net profit margin = 22% Sales in Year 0 = 15m Fixed capital investment in Year 0 = 4m Depreciation in Year 0 = 5m Working capital investment as a percentage of sales = 8.5% Tax rate = 40% Interest expense on par value of debt of $20m in Year 0 = 11.5% WACC during the high growth phase = 19% WACC during the mature phase = 16% Net income, fixed capital investment, depreciation, interest expense, and sales are expected to grow at a rate of 12% for the next 5 years and then stabilize at a long-term constant growth rate of 6%. Compute the value of the firm