Flint Enterprises started the period with 150 units in beginning inventory that cost $2 each. During the period, the company purchased inventory items as follows: March 3 purchase 200 @ $3.00 April 24 purchase 150 @ $3.10 May 15 purchase 50 @ $3.50 Flint sold 200 units after the May 15 purchase Flint's cost of goods sold under FIFO would be: