Assume that on September 1, Office Depot had an inventory that included a variety of calculators. The company uses a perpetual inventory system. During September, these transactions occurred. Sept. 6 Purchased calculators from Crane Co. at a total cost of $1,353, on account, terms n/30. 9 Paid freight of $41 on calculators purchased from Crane Co. 10 Returned calculators to Crane Co. for $54 credit because they did not meet specifications. 12 Sold calculators costing $426 for $566 to Cullumber Book Store, on account, terms n/30. 14 14 20 20 Granted credit of $37 to Cullumber Book Store for the return of one calculator that was not ordered. The calculator cost $28. Sold calculators costing $467 for $623 to Ivanhoe Card Shop, on account, terms n/30. Prepare a tabular summary to record the transactions for the month of September for Office Depot using a perpetual inventory system. Include margin explanations for the changes in revenues and expenses. (Enter negative amounts using either a negative sign preceding the number e.g. -45 or parentheses e.g. (45).)