Which of the following statements is true? O P/E ratio of no-growth companies is lower than that of growth-companies, ceteris paribus if company A has higher current P/E ratio than company B, then company Ais certainly overvalued the P/E ratios of companies in different countries are always directly comparable O if company's earnings per share are negative, then the P/E ratio of this company is negative, which indicates that the stock is overvalued in the market