why is this wrong?

P6-3 (Algo) Comparing and Contrasting the Effects of Inventory Costing Methods on Financial Statement Elements LO6-2, 6-3 Neverstop Corporation sells item A as part of its product line. Information about the beginning inventory, purchases, and sales A are given in the following table for the first six months of the current year. The company uses a perpetual inventory system: Required: 1. Compute the cost of ending inventory by using the weighted-average costing method. (Do not round intermediate calculations round the final answer to 2 decimal places.)