HOUSTON ELECTRONICS EXPLANATION UNITS U DATE Beginning inventory Purchase Purchase Sale Purchase 100 10 1,000 200 $ 11 2,200 4/15 8/24 9/10 11/27 100 300 600 50 00 450 300 12 3,600 550 400 450 135,2 $ 12,000 10 12 Assuming the Perpetual Inventory System, compute Cost of Goods Sold and Ending Inventory under FIFO, LIFO, and Average cost. 13