6 9 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. Purchased calculators from Ivanhoe Co. at a total cost of $1.419, on account, terms n/30 Paid freight of $43 on calculators purchased from Ivanhoe Co. Returned calculators to Ivanhoe Co. for $56 credit because they did not meet specifications. Sold calculators costing $446 for $594 to Oriole Book Store, on account, terms n/30 14 Granted credit of $39 to Oriole Book Store for the return of one calculator that was not ordered. The calculator cost $30. Sold calculators costing $489 for $653 to Pharoah Card Shop, on account, terms /30. 10 12 20 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 c.9. - 45 or parentheses e.g. (45).)