Undew inc's inventory records showed the following data for an item it sells regularly. Date Units Unit Cost Jan. 1 Inventory 4.800 $10.00 Jan. 3 Purchases 43,200 510.40 Jan 7 Sales (at $26 per unit) 16,800 Jan. 20 Purchases 14.400 $11.00 Jan. 22 Sales (at 527 per unit) 38.400 Jan. 30 Purchases 7.200 $12.00 a. Assuming that Undew maintains a periodic inventory system, compute ending inventory and cost of goods sold for the month ending January 31 using (1) average cost, (2) FIFO, and (3) LIFO. Note: Carry all decimals in calculations, round the final answer to the nearest dollar. COGS Periodic Inventory System Ending Inventory 1. Average cost method 2. RFO method 3. LIFO method b. Assuming that Undew maintains a perpetual inventory system, compute ending inventory and cost of goods sold for the month ending January 31 using (1) moving average, (2) FIFO, and (3) LIFO Note: Carry all decimals in calculations, round the final answer to the nearest dollar, COGS Perpetual Inventory System Ending Inventory 1. Moving average method 2. FIFO method 3. LIFO method