Jade Co. has the following units and costs: Units Unit Cost Inventory, January 1 20 $10 Purchase, January 5 40 $11 Purchase, January 15 40 $12 Purchase, January 25 50 $13 Round answer to the nearest one decimal (i.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 Calculate the average cost to be used in the Average-Cost method for a periodic inventory system: $ not include dollar signs or commas in your