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 intermedlate 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 fleid.) 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 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 intermedlate calculations and round the final answer to 2 decimal places.) 2. Compute the gross profit for the first six months of the current year by using the FFO costing method. (Do not round intermediate calculations and round the final answer to 2 decimal places.) Assume that because of a clerical erroc, the ending inventory is reported to be 480 units tather than the actual number of units (580) on hand. 5a. If FFO is used, calculate the amount of the understatement or overstatement in the cost of sales for the first six months of the current year. Sb. If FIFO is used, calculate the amount of the understatement or overstatement in the current assets at June 30 of the current year