I cant figure out how to calculate ROE, can you plz help asap!!

Summary information from the financial statements of two companies competing in the same industry follows. 20. For both companies compute the (d) profit margin ratio, (b) total asset turnover. ( C ) return on total assets, and (d) return on equity. Assuming that each company's stock can be purchased at $90 per share, compute their ( ) p) price-eamings ratios and ( () dividend yields. 2b. Identify which company's stock you would recommend as the better investment. Complete this, question by entering your answers in the tabs below. For both companies compute the return on equity