Swifty Company's record of transactions concerning part $x$ for the month of April was as follows. Your answer is partially correct.

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$.6,548.)$

$\backslash$table$[[$Purchases$,$Sales$],[$April$,1,($balance on hand$),220,$@$,$$$5\mathrm{.}30,$April,$5,420],[,4,,520,$@$,5\mathrm{.}40,,12,320],[,11,,420,$@$,5\mathrm{.}60,,27,1,040],[,18,,320,$@$,5\mathrm{.}70,,28,150],[,26,,720,$@$,5\mathrm{.}90,,,],[,30,,320,$@$,6\mathrm{.}10,,,]]$