D Inc planned to use materials of $12 per unit but actually used materials of $13 per unit, and planned to make 1,500 units but actually made 1,800 units. (This is all the info provided)

The Flexible-budget variance for materials is _____.

A) $1,800 unfavorable B) $1,800 favorable C) $1,500 unfavorable D) $1,500 favorable