Towing Company employs a periodic inventory system and sells its inventory to customers for $34 per unit. Towing Company had the following i nventory information available for the month of May: May 1 Beginning inventory 2,200 units $17 cost per unit May 8 Sold 1,700 unit:s May 13 Purchased 1,800 units $13 cost per unit May 18 Sold 1,600 unit:s May 21 Purchased 1,300 units $23 cost per unit May 22 Purchased 1,100 units $15 cost per unit May 28 Sold 1,300 units May 30 Purchased 1,600 units e $10 cost per unit During May, Towing Company reported operating expenses of $49,000 and had an income tax rate of 32% Calculate the amount of gross profit earned by Towing Company d uring May using the LIFO method