I only need help with required 4!

E7-8 (Algo) Analyzing and Interpreting the Financial Statement Effects of Periodic FIFO, LIFO, and Weighted Average Cost (LO 7-3] 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 he following information at the end of the annual accounting period, December 31, Transactions Units Unit Cost a. Inventory, Beginning 300 For the year: b. Purchase, April 11 C. Purchase, June 1 d. Sale, May 1 (sold for $41 per unit) e. Sale, July 3 (sold for $41 per unit) 1. Operating expenses (excluding income tax expense), $18,100 $ 13 11 14 900 800 300 620 Required 1 Required 2 Required 3 Required 4 Required 6 Prepare an Income Statement that shows under the FIFO method, LIFO method and weighted average method. ORION IRON CORPORATION Income Statement For the Year Ended December 31 FIFO LIFO Weighted Average 37,720 $ 37,720 37,720 $ Sales Revenue Cost of Goods Sold Gross Profit Operating Expenses Income from operations