Giordano Industries had the following items in ending inventory at year-end. Item Code Quantity Unit Cost Unit NRV 15-46LG 500 $55 $70 25-22BT 250 20 12 18-91XX 400 35 45 251-4MX 350 70 90 Determine the ending inventory amount by applying the lower of cost or net realizable value rule to: a) each item of inventory $Answer 0 b) total inventory $Answer 0