Which of the following statements is correct?

Group of answer choices

EBITDA is normally compared with the market capitalization of the firms equity.

If a company has a significant number of stock options outstanding, we should also consider diluted EPS when calculating PE ratios.

PB ratios are useful when comparing companies that have high R&D spending.

Return on investment ratios compare the profitability of the firm with market prices.

None of the other answers is correct.