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 800 units during the quarter. If Xu uses the weighted average method, what is its cost of goods sold for the quarter?\