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

Jan. $1$ Beg Inventory $9$ units at $$360$ each

Feb. $17,$ Purchase $18$ units at $$414$ each

Jul. $21,$ Purchase $21$ units at $$468$ each

Nov. $23,$ Purchase $12$ units at $$495$ each

There are $16$ units of the item in the physical inventory at year end, December $31.$

Instructions:

Determine the cost of merchandise sold $($cost of goods sold$)$ and the cost of the ending merchanise inventory.

the first$-$in$,$ first$-$out method

the last$-$in$,$ first$-$out method

the average cost method