In 2022 the Splish Brothers Inc. had net credit sales of $1020000. On January 1, 2022, the Allowance of Doubtful Accounts had a credit balance of $23100. In 2022 $34200 or uncollectible accounts receivable were written off. Pasted experience indicates that the allowance should 10% of the balance in receivable balance on December 31 was $242000. What is the required adjustment to the Allowance for Doubtful Accounts on December 31, 2022?
$24200
$35300
$47300
$3420