During January, a company that uses a perpetual inventory system had beginning inventory, purchases, and sales as follows: Units Cost per unit Beginning inventory 150 $300 January 12 Purchase 350 350 19 Sale 180 20 Purchase 80 450 27 Sale 300 Calculate Cost of Goods Sold under FIFO, LIFO and Weighted Average. As you complete each calculation for each method show the work for each inventory activity under the appropriate heading below, COGS total and ending inventory. You will show your work here - no uploads to submit