Answer:
Receivables turnover= Sales/ Accounts Receivables
Receivables turnover= $9,358,610 / $442,016
Receivables turnover= 21.173 times
Days' sales in receivables= 365 days/ Receivables turnover
Days' sales in receivables= 365 days/ 21.173 times
Days' sales in receivables= 17.239 days
Average collection period= Days' sales in receivables = 17.239 days