Question $1(2\mathrm{.}85$ points$)$

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A variable cost is a cost that

Question $1$ options:

$1)$

varies per unit at every level of activity.

$2)$

occurs at various times during the year.

$3)$

varies in total in proportion to changes in the level of activity.

$4)$

may or may not be incurred, depending on management's discretion.