Exercise 8-7 At December 31, 2018, Concord Corporation Company had a credit balance of $18,800 in Allowance for Doubtful Accounts. During 2019, Concord Corporation wrote off accounts totaling $13,500. One of those accounts ($3,500) was later collected. At December 31, 2019, an aging schedule indicated that the balance in Allowance for Doubtful Accounts should be $30,700. Prepare journal entries to record the 2019 transactions of Concord Corporation Company. (Credit account titles are automatically indented when amount is entered. Do not indent manually.)