2. The Precision Door Company sold 2,200 doors during 2018 at $160 per door. Its beginning inventory on January 1 was 130 doors at $56. Purchases made during the year were as follows:

February 225 doors at $62

April350 doors at $65

June700 doors at $70

August300 doors at $66

October400 doors at $68

November 250 doors at $72

Compute the COGS and Ending Inventory under each of the following inventory cost flow assumptions:

(a) Simple Weighted Average, (b) FIFO, (c) LIFO.