Inventory Costing Methods The following data are for the Evans Company, which sells just one product: UnitsUnit CostBeginning inventoryJanuary $1200$$$70$Purchases:February $11500$$$98$May $18400$$$112$October $23100$$$140$SalesMarch $1400$July $1400$ Calculate the value of ending inventory and cost of goods sold using the periodic method and $($a$)$ first$-$in$,$ first$-$out, $($b$)$ last$-$in$,$ first$-$out, and $($c$)$ weighted$-$average cost method. Cost of goods soldEnding inventorya. FIFOAnswer $1$Answer $2$b$.$ LIFOAnswer $3$Answer $4$c$.$ Weighted averageAnswer $5$Answer $6$