Accounts receivable turnover and days" sales in receivables For two recent years, Robinhood Company reported the following: 2019 Sales 2018 $8,375,000 $6,962,000 Accounts receivable: Beginning of year End of year 630,000 620,000 550,000 630,000 a. Determine the accounts receivable turnover for 2019 and 2018. Round your answers to one decimal place.. 2018: 2019: b. Determine the days' sales in receivables for 2019 and 2018. Assume 365 days in a year. Round intermediate calculations and final answers 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?