Accounts receivable turnover and days' sales in receivables For two recent years, Robinhood Company reported the following: 2019 2018 Sales $8,316,000 $7,078,500 Accounts receivable: Beginning of year 640,000 570,000 End of year 620,000 640,000 a. Determine the accounts receivable tumover for 2049 and 2018. Round answers to one decimal place. 2048: 20Y9: b. Determine the days' sales in receivables for 2019 and 20YS. Use 365 days and round all calculations to one decimal place. 2048: days 2019: days c. Are the changes in the accounts receivable turnover and days sales in receivables from 2078 to 20y9 favorable or unfavorable