Hardware Inc uses the average cost method for inventory. The company began the year with 150 large brass switch plates on hand at a cost of $4.00 each Purchases of switch plates during the year were as follows: Date of Transaction May 7 June 11 November 22 Quantity Received 2ee 200 250 Unit Cost $4.20 $4.40 $4.88 The switch plates sell for $700 each. If Hardware sells 570 switch plates during the year, what is the company's cost of goods sold