Boston Shop uses periodic inventory system . At December 31 year 2 , the accounting records include the following information.

Inventory (as of December 31. Year 1).. $2,800

Net sales $ 79.600

Purchases..$ 30,200

A complete physical inventory taken at December 31. year 2 , indicates merchandise costing $ 3,000 remains in stock.

A. How were the amounts of beginning and ending inventory determined?

B. Compute the amount of the cost of goods sold in year 2.