Orion Iron Corp. tracks the number of,units purchased and sold throughout each year but applies its inventory costing method at the end of the year as if it uses a periodic inventory system. Assume its accounting records provided the following information at the end of the annual accounting period, December 31. a. Inventory, Beginning For the year: b. Purchase, April 11 c. Purchase, June 1 Transactions d. Sale, May 1 (sold for $45 per unit) e. Sale, July 3 (sold for $45 per unit) f. Operating expenses (excluding income tax expense), $210,000 Units 3,000 Unit Cost $17 9,500 15 8,500 18 3,000 6,500