On September 1, Ayayai Office Supply had an inventory that included a variety of calculators. The company uses a perpetual inventory system. During September, the following transactions occurred. Sept. 6 Purchased calculators from Windsor Co. at a total cost of $2,070, terms n/30, FOB shipping point. 9 Paid freight of $90 on calculators purchased from Windsor Co. 10 Returned calculators to Windsor Co. for $48 cash (including freight) because they did not meet specifications. 12 Sold calculators costing $672 for $924 to Sura Book Store, on account, terms n/30. 14 Granted credit of $33 to Sura Book Store for the return of one calculator that was not ordered. The calculator cost $24. 20 Sold 30 calculators costing $720 for $960 on account to Davis Card Shop, on account,terms n/30. Journalize the September transactions for Ayayai Office Supply. (List all debit entries before credit entries. Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter O for the amounts.)