A company developed the following per-unit standards for its product: 5 kilograms of direct materials at $3.00 per kilogram. Last month, 1,000 kilograms of direct materials were purchased for $3010. Also last month, 690 kilograms of direct materials were used t produce 130 units. What was the direct materials quantity variance for last month? $120 unfavourable $120 favourable $650 unfavourable $650 tavourable