Assuming that the perpetual inventory method is used, what is the gross profit if the inventory is valued at FIFO?

Inventory info. for Part 311 of Anon Corp. discloses the following information for the month of June. 10-Jun Sold 290 units @ $2.40 1-Jun Balance 440 units @ $1 11-Jun Purchased 1200 units @ $2 15-Jun Sold 760 units @ $2.50 20-Jun Purchased 750 units @ $3 27-Jun Sold 440 units @ $2.70