I cant figure out b, its not 1000

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? Enter a favorable variance as a negative number using a minus sign and an unfavorable variance as a positive number. Direct materials price variance $ 2, 250 Direct materials quantity variance $ 1, 000 Direct materials cost variance $ 1, 000