Black Corporation had a Jan. 1, 2025 balance in Allowance for Doubtful Accounts of 21,000. During 2025, the company wrote off $15,120 of accounts and collected $4,410 on accounts previously written off. The balance in Accounts Receivable was $420,000 at Jan. 1, 2025 and $504,000 at Dec. 31, 2025. At Dec. 31, 2025, Black estimates that 5% of accounts receivable will prove to be uncollectible. Which will be included in the journal entry on December 31 to estimate Allowance for Doubtful Accounts?