Periodic inventory using FIFO, LIFO, and weighted average cost methods

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

Date Line Item Description Units Cost per Unit Amount

Jan. $1$ Inventory $20$ units at $$26$ $$520$

Aug. $13$ Purchase $7$ units at $$28196$

Nov. $30$ Purchase $7$ units at $$29203$

Available for sale $34$ units $$919$

There are $20$ units of the item in the physical inventory at December $31.$ The periodic inventory system is used. Determine the inventory cost using the $($a$)$ first$-$in$,$ first$-$out $($FIFO$)$ method; $($b$)$ last$-$in$,$ first$-$out $($LIFO$)$ method; and $($c$)$ weighted average cost method $($round per$-$unit cost to two decimal places and your final answer to the nearest whole dollar$).$

Line Item Description Amount

a$.$ First$-$in$,$ first$-$out $($FIFO$)$ method $fill in the blank $1$

$763$

b$.$ Last$-$in$,$ first$-$out $($LIFO$)$ method $fill in the blank $2$

$716$

c$.$ Weighted average cost method