c) Biotec has estimated the costs of debt and equity capital for various proportions of debt in its capital structure: % of Debt Cost of Debt (%) Cost of Equity (%) 35 5.4 13.8 40 5.6 14.0 45 5.9 14.3 50 6.4 14.7 If Biotec pays a current dividend of $1.00 and expects dividends to grow at a constant rate of 7%, what is Biotec's stock price if it obtains its optimal capital structure? (2 marks)