XT Inc. had 100 units of inventory purchased at $50 each on January 1, 2019. During March of 2019 the company purchased 1300 units of inventory at $55 each, and in June it purchased 2000 units at $58 each. In April it sold 1200 units for $70, and in September it sold 1800 units for $75. What is its FIFO cost of goods sold