On September 1, Reid Supply had an inventory of 15 backpacks at a cost of $20 each. The company uses a perpetual inventory system. During September, the following transactions and events occurred. Sept. 4 Purchased 70 backpacks at $20 each from Hunter, terms 2/10, n/30. Sept. 6 Received credit of $100 for the return of 5 backpacks purchased on Sept. 4 that were defective. Sept. 9 Sold 40 backpacks for $35 each to Oliver Books, terms 2/10, n/30. Sept. 13 Sold 15 backpacks for $35 each to Heller Office Supply, terms n/30. Sept. Paid Hunter in full, less discount. 14 Journalize the September transactions for Reid Supply. (Credit account titles are automatically indented when the amount is entered. Do not indent manually. Record journal entries in the order presented in the problem.) Date Account Titles and Explanation > Debit