Periodic inventory by three methods

The units of an item available for sale during the year were as follows:

Jan. $1$ Inventory $2,300$ units at $$6$

Feb. $17$ Purchase $2,900$ units at $$7$

Jul. $21$ Purchase $3,100$ units at $$8$

Nov. $23$ Purchase $1,700$ units at $$9$ analysis, and input your answers in the questions below.

Open spreadsheet

a$.$ Determine the inventory cost by the first$-$in$,$ first$-$out method. & $x$

b$.$ Determine the inventory cost by the last$-$in$,$ first$-$out method.

$ $q,x$

c$.$ Determine the inventory cost by the weighted average cost method. Round your answer to the nearest dollar.

$ $x$

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grad Check My Work c$.$ Note that this problem uses the periodic inventory system. Weighted averagint dividing the fotal cost of all units available for sale by the number of units available for sale. Then multiply the number of items remaining in the physical inventory times this unit cost.