Larch Inc. is preparing the adjusting journal entry to record the estimate of uncollectible accounts receivable for the year ended 2021. Larch uses the aging of accounts receivable method. Given the following information, which is the correct adjusting journal entry Larch must book? ents Time 2 Ho Sales revenue $500,000 Accounts receivable $100,000 Current credit balance in allowance for doubtful accounts (before any adjusting entry) $500 Days past due A/R balance % estimated uncollectible Current $50,000 29 90 days $3,000 40% Total $100,000 o Dr. Allowance for doubtful accounts $3,900: Cr. Bad debt expense $3,900 Dr. Bad debt expense $3,900: Cr. Allowance for doubtful accounts $3.900 O Dr. Allowance for doubtful accounts $4,400: Cr. Accounts receivables $4,400 Dr. Accounts receivable $4,400; Cr. Allowance for doubtful accounts $4,400