Use the following data from a firm's pro forma (i.e., projected or forecasted) financial statements to calculate the following profitability ratios for the firm, assuming that all stocks are common stocks: (a) net profit margin; (b) return on total assets; (c) return on equity; (d) price-earnings ratio.
Sales $150 million
Net income 12 million
Total Assets 600 million
Stockholders' Equity 200 million
Number of Common Stock Shares 4 million
Price per share of common stock $50.00