At year$-$ena there are $850$ units on hand in inventory. What is the cost of the ending inventory assuming use of the last$-$in$,$ first$-$out method $($LFO$)?$

$0_{\text{\$}2,600}$

$$2,528$

$$3,370$

Some other amount

How much is FIFO inventory $($phantom$)$ profit?

$$388$

$0$$$770$

FIFO EI

$$3,370$

cannot be determined

$800(4)=3200$

$50(3\mathrm{.}4)=170$