can you help me solve these two problems, step-by-step and what would be the correct answers?

E7-3 (Algo) Inferring Missing Amounts Based on Income Statement Relationships LO7-1 Finter the missing dollar amounts for the income statement for each of the following independent cases: E7.5 (Algo) Calculating Ending Inventory and Cost of Goods Sold Under FIFO, LIFO, and Average Cost LOT-2 Nittany Company uses a periodic inventory system. At the end of the annual accounting period, December 31 of the current yeat, the accounting records provided the following information for product 1: Compute ending inventory and cost of goods sold for the current year under FIFO, LFO, and average cost inventory costing methods. Note: Round "Average cost per unit" to 2 decimal places and final answers to nearest whole dollar omount