SUW, Inc uses standard costs to value its inventories. The standard cost of materials is $27 (9lbs @ $3 per lb). During the current month, 150,000 lbs were purchased at $2.95 per lb and 140,000 lbs were used. 15,000 finished units were produced. Calculate the Direct Material Price (Cost) Variance. Calculate the Direct Material Usage (Efficiency) Variance. SUW, Inc uses standard costs to value its inventories. The standard cost of direct labor is $84 (6 hours @ $14 per hour). During the current month, 92,000 hours were worked at an actual cost $13.80 per hour. 15,000 finished units were produced. Calculate the direct labor cost (rate) variance. Calculate the direct labor usage (efficiency) variance