Shown below is activity for one of the products of Denver Office Equipment: 10 januar inventory on hand-.-400 units: cost $42 each Purchased 600 units for $45 each 12 sold 500 units for $72 each. 20 Purchased 1,500 units for $48 each. 28 Sold 1,200 units for $75 each. 31 Inventory on hand---800 units Assuming Denver uses average cost and a perpetual inventory system, the amount of ending inventory for January would be 537,056, $38.130 $37.560. $36,240