M5-21. Evaluating Accounts Receivable Turnover for Competitors The Procter & Gamble Company and Colgate-Palmolive Company report the following sales and accounts receivable balances. $ millions Procter & Gamble Colgate-Palmolive 2018 Net sales 2018 Accounts receivable 2017 Accounts receivable $66,832 4,686 4,594 $15,544 1,400 1,480 a. Compute the accounts receivable turnover and DSO for both companies for 2018. b. Identify and discuss a potential explanation for the difference between these competitors' accounts receivable ratios