On September 1, Boylan Office Supply had an inventory of 35 calculators at a cost of $14 each. The company uses a perpetual inventory system. During September, the following transactions occurred. Sept. 6 Purchased 100 calculators at $24 each from Guthrie Co. terms 2/10, net/30. Sept. 9 Paid freight of $100 on calculators purchased from Guthrie Co. Sept. 10 Returned 4 calculators to Guthrie Co. for $100 credit (including freight) because they did not meet specifications. Sept. 12 Sold 30 calculators costing $25 (including freight) for $35 each to Lee Book Store, terms n/30. Sept. 14 Granted credit of $35 to Lee Book Store for the return of one calculator that was not ordered. Sept. 20 Sold 33 calculators costing $25 for $35 each to Orr's Card Shop, terms n/30. Journalize the September transactions. (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. Record journal entries in the order presented in the problem.)