In 2022 the Sheffield Corp. had net credit sales of $950000. On January 1, 2022, the Allowance for Doubtful Accounts had a credit balance of $22400. During 2022, $33500 of uncollectible accounts receivable were written off. Past experience indicates that the allowance should be 5% of the balance in receivables (percentage-of-receivables basis). If the accounts receivable balance at December 31 was $235000, what is the required adjustment to the Allowance for Doubtful Accounts at December 31, 2022? $

A. $34150.

B. $33500

C. $22850

D. $11750