Determine cost of goods sold and ending inventory using FIFO, LIFO, and average-cost McGuillen Party markets boom box. At the beginning of March, McGuillen had in beginning inventory of 3,000 of its boom box with a unit cost of $35. During April, McGuillen made the following purchases of boom box. Date units April. 4 3800 cost 37 April. 10 4950 40 April. 18 5000 42 April. 21 4500 45 During April, 13,500 units were sold. Instructions (a) (b) Using the data above determine using the periodic inventory system (1) the ending inventory and (2) the cost of goods sold under each of the assumed cost flow methods: FIFO, LIFO and average cost. Using the data below determine using the perpetual inventory system (1) the ending inventory and (2) the cost under each of assumed cost flow methods: FIFO, LIFO and average cost. Use the tables Date 1-Jan Explanation Beginning Units Unit Cost Total Cost 200 $ 25.00 inventory 19-Feb Purchases 150 $ 28.00 6 pts 25-May Purchases 175 $ 32.00 18-Jun Sale 400 6-Aug Purchases 390 $ 35.00 Total Units Purchases Perpetual Inventory System Date Units Purchases Cost Per unit Total Cost Units FIFO COST OF GOODS SOLD Cost Per unit Balance Total Cost Units Cost Per unit Total Cost Cost of Goods Sold Ending inventory