Barrett Company determined that the net realizable value of its accounts receivable on December 31, 2021 was $325,000. On January 1, 2021, the allowance for uncollectible accounts was $30,000. Barrett provided the following additional information for 2021: Uncollectible accounts written off in 2021: $18,000 Uncollectible accounts recovered in 2021: $2,000 Accounts receivable,December 31, 2021: $350,000 For 2021. what is the amount of Barrett's uncollectible.accounts.expense? OA $15,000 On $11,000 Oc $21,000 OD. $5,000