1. Cost flow methods The beginning inventory and following transactions occurred during November Units Unit Cost Nov . 1,000 50.00 3,000 52.00 2 Inventory 10 Purchase 15 Sold 1,600 units 20 Purchase 25 Sold 4,000 units 26 Purchase 30 Sold 800 units 2,600 55.00 1,000 57 88 Total 7.000 Determine the ending inventory on November 30 using the (a) firstein, first-out (FIFO) (b) last in first-out (LIFO) and (c) weighted average cost methods assuming a perpetua inventory system