Answer:
The correct answer is letter "D": All of the above are true.
Step-by-step explanation:
The Price-to-Earnings (P/E) ratio represents the relationship between a company's stock share price related to its earnings per share (EPS). The P/E ratio can give investors an idea if a company's share price is undervalued or overvalued. Besides, P/E ratios of companies with similar businesses can be compared to measure firms' performances.