Exercise $5-13($Algo$)$ Calculate receivables ratios $($LO$5-9)$

Below are amounts $($in millions$)$ from three companies' annual reports.

$$Beginning Accounts ReceivableEnding Accounts ReceivableNet SalesWalCo$ $1,645$$ $2,592$$ $305,427$TarMart$5,3165,84450,878$CostGet$45949551,963$

Required:

Calculate the receivables turnover ratio and the average collection period for WalCo, TarMart and CostGet.

Which company appears most efficient in collecting cash from sales?