esign Cornerstone Exercise 6-19 (Algorithmic) Applying the Cost of Goods Sold Model Hempstead Company. has the following data for 2019: Item Units Cost 990 Inventory, 12/31/2018 Purchases 4,510 $10,890 49,610 7,240 Inventory, 12/31/2019 720 Required: 1. How many units were sold? units 2. Using the cost of goods sold model, determine the cost of goods sold