Accounts receivable turnover and days' sales in receivables For two recent years, Robinhood Company reported the following: 20Y9 20Y8 Sales $8,113,000 $6,903,000 Accounts receivable: Beginning of year End of year 620,000 600,000 550,000 620,000 a. Determine the accounts receivable turnover for 20Y9 and 20Y8. Round answers to one decimal place. 20Y8: 20Y9: b. Determine the days' sales in receivables for 20Y9 and 20Y8. Use 365 days and round all calculations to one decimal place. 20Y8: 20Y9: days days c. Are the changes in the accounts receivable turnover and days' sales in receivables from 20Y8 to 20Y9 favorable or unfavorable?