Content Area Abbott Company uses the allowance method of accounting for uncollectible receivables. Abbott estimates that 2% of credit sales will be uncollectible. On January 1, Allowance for Doubtful Accounts had a credit balance of $3,500. During the year, Abbott wrote off accounts receivable totaling $2,000 and made credit sales of $105,000. After the adjusting entry, the December 31 balance in Bad Debt Expense will be a. $3,500 b. $3,600 c. $2,100 d. $5,600