Question 13 (6 points) Saved Metlock uses a periodic inventory system. In April, 600 units were sold and the following additional information is available: Unit Total Date Type Units Cost Cost Apr Beginning 250 $14.00 $3,500 1 Inventory Apr Purchase 400 $18.00 $7,200 15 Apr Purchase 350 $23.00 $8,050 23 TOTAL 1,000 $18,750 Required: Calculate the cost of goods sold and the ending inventory using the first-in first-out