Exercise 5-10A (Algo) Lower-of-cost-or-morket rule: perpetual system LO 5-2 The following information pertains to Hagen Metal Works' 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 individuafinventory item and (2) the inventory in aggregate. b. Prepare any necessary journal entries, assuming the decline in value is ininaterial, using the (1) individual method and (2) aggregate method. Hagen Metal Works uses the perpetual inyentory system