The Xu Corporation uses a periodic inventory system. The company has a beginning inventory of 1,550 units at $18 each on January 1. Xu purchases 1,800 units at $17 each in February and 850 units at $19 each in March. There were no additional purchases or sales during the remainder of the year. Xu sells 1,600 units during the quarter. If Xu uses the LIFO method, what is its cost of goods sold?