solve using given information

In 2022 the Vaughn Manufacturing had net credit sales of $930000. On January 1, 2022, the Allowance for Doubtful Accounts had a credit balance of $22200. During 2022,633300 of uncollectible accounts receivable were written off. Past experience indicates that the allowance should be 10% of the balance in receivables (percentage-of-receivables basis). If the accounts receivable balance at December 31 was $233000, what is the required adjustment to the Allowance for Doubtful Accounts at December 31, 2022? $45500 $23300 $33300 $34400