Presented here is selected information from the 2017 fiscal-year 10-K reports of four companies. The four companies, in alphabetical order, are Advance Micro Devices, a global semiconductor company; AT&T, Inc., a company that provides communications and digital entertainment; Caterpillar, Inc., a manufacturer of heavy machinery; and Pfizer, Inc., a pharmaceutical manufacturer. The data for the companies, presented in the order of the amount of their sales in millions of dollars, are:

Required

Based on these financial data and your knowledge and assumptions about the nature of the businesses that the companies operate, determine which data relate to which companies. Write a memorandum explaining your decisions. Include a discussion of which ratios you used in your analysis, and show the computations of these ratios in your memorandum.

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A B. D $5,329 $45,462 $52,546 $160,546 77,379 Sales Cost of goods sold Net earnings Inventory 3,506 31,049 11,240 43 754 21,307 7,578 29,450 739 10,018 Accounts receivable 400 16,193 8,221 16,522 Total assets 3,540 76,962 171,797 444,097