12. The data below present key ratios for six well-known U.S. corpora- tions: Apple, Boeing, Citigroup, Facebook, McDonald's, and Walmart. However, the companies are not listed in order, and their names have been removed from the column headings. Using only your understanding of the ratios and the nature of each company listed, match each of the sets of ratios with the appropriate company. B C D E Return on equity (%) Return on assets (%) Profit margin (%) Gross margin (%) Price to earnings (X) Asset turnover (X) Collection period (days) Inventory turnover (X) Debt to equity (%) Times interest earned (X) Current ratio (X) Acid test (X) (NA = Not applicable) 21.89 40.39 8.07 4.88 3.425.04 24.81 15.18 15.71 22.73 2.36 0.97 4.70 28.34 8.11 1.75 76.00 61.54 13.50 33.05 0.88 1.23 0.21 0.38 13.39 11.25 21.57 78.41 81.54 0.52 34.08 NA 2.34 10.00 13.56 13.56 6.59 0.72 17.77 NA 11.16 0.04 NA NA 221.30 35.19 15.66 19.58 38.77 18.50 0.80 15.92 163.35 86.25 21.74 1.56 1.53 29.50 18.82 21.42 37.88 15.20 0.88 17.40 71.14 14.11 NA 1.63 1.59 2.21 0.38 0.38