Novak Company's record of transactions concerning part X for the month of April was as follows.

$($a$2)$

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

only. $(1)$ First$-$in$,$ first$-$out $($FIFO$).(2)$ Last$-$in$,$ first$-$out $($LIFO$).(3)$ Average$-$cost$.($Round final answers to $0$ decimal places, e$.$g$.$

$6,548.)$