On December 31st, 2019, Arch Company had A/R of $120,000, a credit balance of $600 in the Allowance for Doubtful Accounts, and Sales of $1,000,000 for the year. 1. Prepare the December 31, 2019 adjusting entry to recognize bad debt expense assuming Arch uses the percentage of A/R method of estimating bad debts and estimates uncollectible accounts to be 8% of A/R. 2. During the 2020, Arch wrote off $12,000 of accounts receivables. Prepare the summary journal entry bgto record the write off of the accounts. 3. On September 12, 2020, Arch collected $1,000 on an account that was previous written off during the year. Record the entry(ies) to record the collection of this account.