The following information pertains to Hagen Metal Work's ending inventory for the current year: Required a. Determine the value of the ending inventory using the lower-of-cost-or-market rule applied to (1) each individual inventory item and (2) the inventory in aggregate. b. Calculate the adjustment required under both methods, assuming the decline in value is immaterial. Determine the value of the ending inventory using the lower-of-cost-or-market rule applied to (1) each individual inventory item and (2) the inventory in aggregate. Calculate the adjustment required under both methods, assuming the decline in value is immateria