Consider the following data for Brunson Corp.

Units produced

$[$

$]$

Indirect materials

Factory maintenance

$$21,000$

$$20,000$

As units decreased

Jan to ak in Feb

indirect materials

maintence decreas

Using units produced as the activity base, and based on this data only,

Group of answer choices

Indirect materials is a mixed cost and factory maintenance is a variable cost.

Indirect materials and factory maintenance are both mixed costs.

Indirect materials is a variable cost and factory maintenance is a mixed cost.

Indirect materials and factory maintenance are both variable costs