A company estimates that $20,000 of its $500,000 of accounts receivable will be uncollectible. Its Allowance for Doubtful Accounts presently has a credit balance of $8,000. The adjusting entry will to the Allowance for Doubtful Accounts. include a a. Debit of $2,000 b. Credit of $2,000 c. Debit of $38.000 d. Credit of $38,000