there are three questions.

just this question needs to be answered.

On January 1, 2021, the National Furniture Company adopted the dollar-value LIFO method of computing Inventory. An internal cost index is used to convert ending inventory to base year. Inventory on January 1 was $205,000. Year-end inventories at year-end costs and cost indexes for its one inventory pool were as follows: Year Ended December 31 2021 2022 2023 Inventory at Cost Index Year-end (Relative to Costs Base Year) $270,000 1.08 313,600 1.12 316,250 1.15 Required: Compute inventory amounts at the end of each year using the dollar-value LIFO method. Date Ending Inventory DVL Cost 12/31/2021 12/31/2022 12/31/2023 Shown below is activity for one of the products of Denver Office Equipment: January 1 balance, 560 units @ $56 per unit $31, 360 Purchases: January 10: 560 units @ $61 per unit January 20: 1,120 units @ $65 per unit Sales: January 12: 940 units January 28: 810 units Required: Compute the January 31 ending inventory and cost of goods sold for Jaiuary, assuming Denver uses LIFO and a perpetual inventory system Ending inventory Cost of goods sold Charleston Company has elected to use the dollar-value LIFO retail method to value its inventory. The following data has been accumulated from the accounting records: Merchandise inventory, January 1, 2021 Net purchases Net markups Net markdowns Net sales Pertinent retail price indexes: January 1, 2021 December 31, 2021 Cost Retail $258,710 $ 410,888 645,272 1,011,000 13,100 3,100 600, 500 1.00 1.19 Required: Estimate the ending inventory for December 31, 2021. (Round "Cost-to-retail percentage" to 2 decimal places.) Estimated ending inventory (At Retail) Estimated ending inventory (At Cost) Check my Shown below is activity for one of the products of Denver Office Equipment: January 1 balance, 560 units @ $56 per unit $31,360 Purchases: January 10: 560 units @ $61 per unit January 20: 1,120 units @ $65 per unit Sales: January 12: 940 units January 28: 810 units Required: Compute the January 31 ending inventory and cost of goods sold for January, assuming Denver uses LIFO and a perpetual Inventory system Ending inventory Cost of goods sold