For two recent years, Robinhood Company reported the following: 20Y9 20Y8 Sales $8,100,000 $6,612,000 Accounts receivable: Beginning of year 610,000 530,000 End of year 590,000 610,000 a. Determine the accounts receivable turnover for 20Y9 and 20Y8. Round answers to one decimal place. 20Y8: fill in the blank 1 20Y9: fill in the blank 2 b. Determine the days sales in receivables for 20Y9 and 20Y8. Use 365 days and round all calculations to one decimal place. 20Y8: fill in the blank