Jade Co. has the following units and costs: Units Unit Cost 20 $10 Inventory, January 40 $11 Purchase, January 5 40 $12 Purchase, January 15 50 $13 Purchase, January 25 Calculate the average cost to be used in the Average-Cost method for a periodic inventory system: $ Round answer to the nearest one decimal(.e. 10.9). Do not calculate out ending inventory or cost of goods sold, only provide the average that would be used to do that calculation Note: Do not include dollar signs or commas in your