Hello I'm really confusing cuz I don't know where my mistake came from.. and could you plz provide explanation?

Presented here is selected financial information (in millions) from the 2014 financial statements of Rogers Communications Inc. and Shaw Communications Inc.: Rogers Shaw Net Sales $12,850 $5,241 Allowance for doubtful accounts, beginning of year 104 27 Allowance for doubtful accounts, end of year 98 32 Accounts receivable balance (net), beginning of year 1,509 486 Accounts receivable balance (net), end of year 1,591 493 Calculate the receivables turnover and average collection period for both companies. ( Round times to 1 decimal place, e.g. 52.7 and all other answers to 0 decimal places, e.g. 52.) Rogers Shaw Receivables turnover times times Average collection period days days Comment on the difference in their collection experiences. was more efficient than in collecting its receivables