what is the answer please

Ealy's Excel Wizard Co determined the net value of its accounts receivable at December 31, 2019, based on the aging of receivables, was $315,000. Additional information is as follows: Allowance for uncollectible accounts -- 1/1/19 $30,000 Uncollectible accounts written off during 2019 18,000 Uncollectible accouts recovered during 2019 2,000 Accounts receivable at 12/31/2019 350,000 For 2019, how much is uncollectible accounts expense