2. From the following purchases and sales of a material during the month of January 2020. Calculate Cost of Goods Sold according to (@) FIFO (b) LIFO (9) WAM Jan. 1 Purchased 500 units a Re 10 per unit Jan. 5 Purchased 250 units a Rell per unit Jan. 10 Purchased 400 units Re 12 per unit Jan.20 Purchased 100 units @ Rell per unit Sales during the month were 950 units