Inventory Costing: Average Cost Filimonov Inc, has the following information related to purchases and sales of one of ite invantanu itams: mosume ulat rumonov uses a perpetual inventory system. Required: Calculate the cost of goods sold and the cost of ending inventory using the average cost method. (Note: Round per-unit calculations to 4 decimal places and al other numbers to the nearest dollar.) Cost of goods sold Cost of ending inventory