Below are amounts (in millions) from three companies' annual reports. Beginning Accounts Receivable Ending Accounts Receivable Net Sales Company A $1,655 $2,602 $306,427 Company B 5,366 5,894 51,878 Company C 469 505 52,963 Required: 1. Calculate the receivables turnover ratio and the average collection period for Company A, Company B and Company C. 2. Which company appears most efficient in collecting cash from sales?