I cannot get the account receivable turnover

On January 1, 2021, the general ledger of 3D Family Fireworks Includes the following account balances: Accounts Debit Credit cash $ 28,300 Accounts Receivable 14,703 Allowance for Uncollectible Accounts $ 1,803 Supplies 3,108 Notes Receivable (6%, due in 2 years) 24,808 Land 59,800 Accounts Payable 5,700 Common Stock 75,900 Retained Earnings 48,080 Totals $129,908 $131, 400 During January 2021, the following transactions occur. 1. January 2 Provide services to customers for cash, $30,700. January 6 Provide services to customers on account, $79, 100. 3. January 15 Write off accounts receivable as uncollectible, $1, 160. January 20 pay cash for salaries, $34,400. 5. January 22 Receive cash on accounts receivable, $76,703. 6. January 25 Pay cash on accounts payable, $4, 250. 7. January 30 pay cash for utilities during January, $10, 600. The following Information is available on January 31, 2021. 8. At the end of January, $3,900 of accounts receivable are past due, and the company estimates that 10% of these accounts will not be collected. Of the remaining accounts receivable, the company estimates that 5% will not be collected. The note receivable of $19,000 is considered fully collectible and therefore is not Included In the estimate of uncollectible accounts. 9. Supplies at the end of January total $710. 10. Accrued Interest revenue on notes receivable for January. Interest is expected to be received each December 31. 11. Unpaid salaries at the end of January are $31,000