requirement $3.$ prepare a perpetual inventory record, using the weighted$-$average inventory costing method, and determine the companys cost of goods sold, ending merchandise inventory, and gross profit. $($rounded weighted$-$average cost per unit to the nearest cent and all other amounts to the nearest dollar.$)$ Transactions: jan $5.$ purchase $140$ crates @ $$87$ each, jan $13$ sale $160$ crates @$$102$ each, jan. $18$ purchase $154$ crates $$91$ each, jan. $26$ sale $200$ crates @ $$104$ each