Calculate the cost of goods sold for July and ending inventory at July $31$ using $($a$)$ first$-$in$,$ first$-$out, $($b$)$ last$-$in$,$ first$-$out, and $($c$)$ the weighted$-$average cost methods. Round your final answers to the nearest dollar.Inventory Costing Methods$-$Periodic Method

The Lippert Company uses the periodic inventory system. The following July data are for an item in Lippert's inventory: