P 8-15 Dollar-value LIFO LO8-82 On January 1, 2018, Avondale Lumber adopted the dollar-value LIFO inventory method. The inventory value for its one inventory pool on this date was $260,000. An internally generated cost index is used to convert ending inventory to base year. Year-end inventories at year-end costs and cost indexes for its one inventory pool were as follows Page 459 Year Ended December 31 Inventory 2018 2019 2020 2021 Year-End Costs $340,000 350,000 400,000 430,000 Cost Index (Relative to Base Year) 1.02 1.06 1.07 1.10 Required: Calculate inventory amounts at the end of each year