shellysmelly002 shellysmelly002 23-03-2024 Mathematics contestada Oct 1 Inventory 200 units at $40 Oct 7 Sale 180 units Oct 15 Purchase 180 units at $45 Oct 24 150 units Assuming a perpetual inventory system and using the first in first out ( FIFO) a. Cost of goods sold on October 24 b. Inventory on October 31