https://zh.wiewird.com/post/assuming-that-a-companys-earnings-per-share-for-the-current-year-is-5-and-the-allotable-dividend-per-share-is-3-and-the-book-value-per-share-at-the-end-of-the-year-is-36-and-the-price-per-share-is-45-the-price-earnings-ratio-of-the-companys-stock-is