During the year, a firm's inventory purchases were as follows: Quarter Units Purchased Cost per Unit Total 1 500 $4.30 $2,150 2 200 $4.60 $920 3 300 $4.90 $1.470 4 150 $5.20 $780 1.150 $5.320 The firm uses a periodic Inventory system and calculates inventory and COGS at the end of the year Beginning inventory was 100 units at $4.00 per unit - $400. Sales for the year were 800 units Compute COGS for the year under FIFO and LIFO. FIFO: $3,470;LIFO: 53,765 FIFO: $3470: UFO: 53.815 FIFO: 53.560: UFO: $3.815