CBS Corporation sells laptop accessories to consumers across Canada In September 2021 the company sold 340 unds. A copy of the company's inventory records from September 2021 are below. Date Explanation Units Unit Cost Total Cost Sep 1 Inventory, Opening 95 $9.00 $855.00 Sep 10 Purchase 185 $10.00 $1,850.00 Sep 15 Purchase 200 $11.25 $2,250.00 Sep 23 Purchase 120 512.00 $1.440.00 Required (8 Marks): a) Determine the cost of Goods Sold (COGS) for September under LIFO, FIFO, and Average Cost b) If you were trying to maximize the net income for the company, which method would you choose and why