At the end of the year, Randy's Parts Co. had the following items in inventory: Item P1 P2 Quantity 69 31 89 40 Unit Cost $ 90 67 140 59 Unit Market Value $ 92 77 128 67 P3 P4 Required a. Determine the amount of ending inventory using the lower-of-cost-or-market rule applied to each individual inventory item. Ending inventory b. Provide the general journal entry necessary to write down the inventory based on Requirement a. Assume that Randy's Parts Co. uses the perpetual inventory system. (If no entry is required for a transaction/event, select "No journal entry required" in the first account field.) View transaction list Journal entry worksheet Record entry for inventory loss. Note: Enter debits before credits. Event General Journal Debit Credit 01 Record entry Clear entry View general journal c. Determine the amount of ending inventory, assuming that the lower-of-cost-or-market rule is applied to the total inventory in aggregate. Ending inventory d. Provide the general journal entry necessary to write down the inventory based on Requirement c. Assume that Randy's Parts Co. uses the perpetual inventory system. (If no entry is required for a transaction/event, select "No journal entry required" in the first account field.) View transaction list Journal entry worksheet Record entry for inventory loss. Note: Enter debits before credits. Event General Journal Debit Credit 01 Record entry Clear entry View general journal