Accounts receivable turnover and days' sales in receivables For two recent years, Robinhood Company reported the following: Sales Accounts receivable: Beginning of year End of year 20Y9 20Y8 $7,847,000 $6,727,500 600,000 580,000 550,000 600,000 a. Determine the accounts receivable turnover for 20Y9 and 20Y8. Round your answers to one decimal place. 20Y8: 20Y9: b. Determine the days' sales in receivables for 20Y9 and 20Y8. Assume 365 days in a year. Round intermediate calculations and final answers 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