please show all the work for it

Date Periodic and Perpetual Systems--Calculating Ending Inventory and cost of Sales using Average Cost (Moving Average), FIFO, and LIFO Undew Inc.'s inventory records showed the following data for an item it sells regularly. Units Unit Cost Jan 1 Inventory 3,200 $10.00 Jan 3 Purchases 28,800 10.40 Jan 7 Sales (at $26 per unit) 11.200 Jan 20 Purchases 9,600 11.00 Jan 22 Sales (at $27 per unit) 25,600 Jan 30 Purchases 4,800 12.00 a. Assuming that Undew maintains a periodic inventory system, compute ending inventory and cost of goods sold for the month-ended January 31 using (1) average cost, (2) FIFO, and (3) LIFO. Note: Round your final answers only to the nearest dollar. Note: Do not round the cost per unit amounts in your calculations. COGS $ Periodic Inventory System Ending Inventory 1. Average cost method. $ 2. FIFO method. 3. LIFO method. b. Assuming that Undew maintains a perpetual inventory system, compute ending inventory and cost of goods sold for the month-ended January 31 using (1) moving average, (2) FIFO, and (3) LIFO. Note: Round your final answers only to the nearest dollar. Note: Do not round the cost per unit amounts in your calculations. Dormatual Inventory System Ending Inventory COGS TULE. Round your married in Note: Do not round the cost per unit amounts in your calculations. Periodic Inventory System Ending Inventory COGS 1. Average cost method. $ $ 2. FIFO method. 3. LIFO method. b. Assuming that Undew maintains a perpetual inventory system, compute ending inventory and cost of goods sold for the month-ended January 31 using (1) moving average, (2) FIFO, and (3) LIFO. Note: Round your final answers only to the nearest dollar. Note: Do not round the cost per unit amounts in your calculations. Perpetual Inventory System Ending Inventory COGS 1. Moving average method. $ $ 2. FIFO method. 3. LIFO method