Aber Company manufactures one product. On December 31, 2018, Aber adopted the dollar-value LIFO inventory method. Inventory data are as follows: 8 points Inventory at Year year-end prices Price Index 2018 $350,000 1.00 2019 378,000 1.05 2020 418,000 1.10 2021 448,500 1.15 Instructions Compute the inventory at December 31, 2018, 2019, 2020, and 2021, using the dollar-value LIFO method for each year.