Dvorak Company produces a product that requires five standard pounds per unit. The standard price is $2.50 per pound. If 1,000 units required 4,500 pounds, which were purchased at $3.00 per pound,...

Dvorak Company produces a product that requires five standard pounds per unit. The standard price is $2.50 per pound. If 1,000 units required 4,500 pounds, which were purchased at $3.00 per pound, what is the direct materials (a) price variance, (b) quantity variance, and (c) cost variance?