Sept. 6 Purchased calculators from Green Box Co. at a total cost of $2,441, terms n/30.
9 Paid freight of $55 on calculators purchased from Green Box Co.
10 Returned calculators to Green Box Co. for $46 credit because they did not meet specifications.
12 Sold calculators costing $608 for $821 to University Book Store, terms n/30.
14 Granted credit of $47 to University Book Store for the return of one calculator that was not ordered. The calculator cost $35.
20 Sold calculators costing $596 for $805 to Campus Card Shop, terms n/30.
Journalize the September transactions.