send to experts $($a$)$

Calculate the inventory at April $30$ on each of the following bases. Assume that perpetual inventory records are kept in units only.

$($Round average cost per unit to $4$ decimal places, e$.$g$.0\mathrm{.}1546$ and final answers to $2$ decimal places, e$.$g$.52\mathrm{.}75.)$

Ending Inventory

$1.$ First$-$in$,$ first$-$out $($FIFO$)\backslash (\backslash$$ $\backslash )$

$2.$ Average cost

$\backslash$$