Presented here is basic financial information (in millions) from the annual reports of Nike and Adidas.

Nike Adidas
Sales $18,627 $10,299
Allowance for doubtful accounts, Jan. 1 71.5 112
Allowance for doubtful accounts, Dec. 31 78.4 111
Accounts receivable balance (gross), Jan 1 2,566.2 1,527
Accounts receivable balance (gross), Dec. 3 12,873.7 1,570

Required:
Calculate the accounts receivable turnover and average collection period for both companies.Comment on the difference in their collection experiences.