Wynneck Marlon Sports Company uses a perpetual inventory system. All inventory items are sold for $10 per unit and all sales and purchases are on account. The company's accounting records show the following: Date Explanation Units Unit Cost Total Cost Mar. 1 Beginning inventory 4,000 $3 $12,000 10 Purchase 6.000 4 24,000 19 Sales (8,000) 22 Purchase 5,000 5 25,000 28 Sales (5,500) $61,000 Required: ord and determine the cost of goods sold and