Accounts receivable turnover and days' sales in receivables For two recent years, Robinhood Company reported the following: 2019 2018 Sales $8,540,000 $7,192,000 Accounts receivable: Beginning of year 650,000 590,000 End of year 630,000 650,000 a. Determine the accounts receivable turnover for 2019 and 20Y8. Round answers to one decimal place. 2018: 2019: b. Determine the days' sales in receivables for 2019 and 20Y8. Use 365 days and round all calculations to one decimal place. 2018: 2019: days days c. Are the changes in the accounts receivable turnover and days sales in receivables from 2018 to 2019 favorable or unfavorable