Answer:
$7,140 unfavorable
Explanation:
The computation of the  materials quantity variance for March  is shown below;
We know that
Material Quantity Variance = Standard rate × ( Standard Quantity for actual production - Actual Quantity Used) Â
=$5.25 × ([4,800 units × 1.5 pounds per unit] - (10,700 - 2,140)  Â
=$5.25 ×  (7,200 pounds - 8,560 pounds)   Â
= $7,140 unfavorable