On September 1, Concord 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 Shamrock Co. at a total cost of $2,090, terms n/30, FOB shipping point. 9 Paid freight of $95 on calculators purchased from Shamrock Co. 10 Returned calculators to Shamrock Co. for $69 cash (including freight) because they did not meet specifications. 12 Sold calculators costing $690 for $1,050 to Sura Book Store, on account, terms n/30. 14 Granted credit of $35 to Sura Book Store for the return of one calculator that was not ordered. The calculator cost $23. 20 Sold 30 calculators costing $759 for $1,155 on account to Davis Card Shop, on account,terms n/30. Journalize the September transactions for Concord 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 0 for the amounts.)