(a) Prepare the journal entries to record the transactions listed above on Crisp Co.'s books. Crisp Co. uses a perpetual inventory system. (b) Assume that Crisp Co. paid the balance due to Frost Company on May 4 instead of April 15. Prepare the journal entry to record this payment. 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 Dragoo Co. at a total cost of exist1, 650, terms n/30. 9 Paid freight of exist50 on calculators purchased from Dragoo Co. 10 Returned calculators to Dragoo Co. for exist66 credit because they did not meet specifications. 12 Sold calculators costing exist520 for exist690 to Fryer Book Store, terms n/30. 14 Granted credit of exist45 to Fryer Book Store for the return of one calculator that was not ordered. The calculator cost exist34. 20 Sold calculators costing exist570 for exist760 to Heasley Card Shop, terms n/30