E$8-16($Static$)$ Analyzing and Interpreting Receivables Turnover Ratio and Days to Collect $[$LO $8-4]$

FedEx Corporation reported the following rounded amounts $($in millions$)$:

$\backslash$table$[[$Accounts Receivable,$2019,2018],[$Allowance for Doubtful Accounts,$$9,415,$$$8,880$