Marigold Company's record of transactions concerning part WA$6$ for the month of September was as follows:

$\backslash$table$[[$September$,1,$Purchases,,,Sales$],[($balance on hand$),300,,$$$1130,$September,$4,400],[,3,,200,$@$,1140,,17,600],[,12,,300,$@$,1155,,27,300],[,16,,300,$@$,1160,,30,200],[,22,,500,(),1160,,,],[,26,,300,,1170,,,]]$

$($a$1).$

$($a$2)$

Your answer is incorrect.

Compute the inventory at September $30$ 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 average cost per unit to $2$ decimal places, es$.2\mathrm{.}76$ and final answers to $O$ decimal places, es$.6,548)$

$(1)$

$(2)$

$(3)$

FIFO

UFO

A verage$-$cost

Ending inventory