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:

July $1$ Beginning inventory $15,330$ units @ $$3$ per unit

July $10$ Purchased Inventory $15,360$ units @ $$4$ per unit

July $15$ Sold Inventory $15360$ units @

Julu $26$ Purchased Inventory $15325$ units @ $$5$ per unit

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

Please read entire problem and answer all parts $.$