Abbott Company uses the allowance method of accounting for uncollectible accounts. Abbott estimates that 3% of credit sales will be uncollectible. On January 1, the Allowance for Doubtful Accounts had a credit balance of $3,100. During the year, Abbott wrote off accounts receivable totaling $2,400 and made credit sales of $106,000. After the adjusting entry, the December 31 balance in Bad Debt Expense will be a. $3,180 Ob. $6,280 Oc. $3,100 d. $3,880