Smith & Sons has accounts receivable of $100,000 and a debit balance of $100 in the allowance for doubtful accounts. Fifty percent of the accounts receivable are current and fifty percent are past due. The company estimates that one percent of the current accounts and five percent of the past due accounts will prove uncollectible. The adjusting entry to provide for the bad debt expense under the aging method should be for what amount? Select one: o $4,900 O $5,100 O $3,100 O $2,900