please help for march 16 i've asked this so many times and its always incorrect

P7-3 Comparing and Contrasting the Effects of Inventory Costing Methods on Financial Statement Elements LO7-2, 7-3 Neverstop Corporation selis item A as part of its product line. Information about the beginning inventory, purchases, and sales of item 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 and round the final answer to 2 decimal places.) 2. Compute the gross profit for the first six moniths of the current year by using the FIFO costing method. (Do not round intermediate calculations and round the final answer to 2 decimal places.) 4. Prepare journal entries to record the purchase and sale transactions, as well as the cost of sales, assuming that all sales and purchase transactions are on account and that the weighted-average method is used. (Do not round intermediate calculations and round the final answers to 2 decimal places. If no entry is required for a transaction/event, select "No journal entry required" in the first account fleld.) Journal entry worksheet Record cost of sales on goods sold on account. Note: Enter debits before credits