Charente Co., a calendar year-end firm, has used the FIFO method of inventory measurement since it began operations in Year 3. Charente changed to the weighted-average method for determining inventory costs at the beginning of Year 6. Justification for this change was that it better reflected inventory flow. The following schedule shows year-end inventory balances under the FIFO and weighted-average methods: In its Year 6 financial statements, Charente included comparative statements for both Year 5 and Year 4. What adjustment, before taxes, should Charente make retrospectively to the balance reported for retained earnings at the beginning of Year 4? What amount should Charente report as inventory in its financial statements for the varar anded Noromher 31 Var nroconted for romnarative purposes? ' adjusted for the year ended