Orion Iron Corporation 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. Transactions a. Inventory, Beginning For the year: b. Purchase, April 11 c. Purchase, June 1 d. Sale, May 1 (sold for $43 per unit) e. Sale, July 3 (sold for $43 per unit) f. Operating expenses (excluding income tax expense), $18,900 Units Unit Cost 400 $15 850 13 750 17 400 510