Direct Materials Variances

Alvarado Company produces a product that requires $12$ standard pounds per unit. The standard price is $$4\mathrm{.}50$ per pound. If $3,000$ units used $37,400$ pounds, which were purchased at $$4\mathrm{.}32$ 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 anfavorable variance as a positive number.

a$.$ Direct materials price variance :

b$.$ Direct materials quantity variance $

c$.$ Direct materials cost variance