Alvarado Company produces a product that requires $10$ standard pounds per unit. The standard price is $$10\mathrm{.}50$ per pound. If $5,500$ units used $53,300$ pounds, which were purchased at $$10\mathrm{.}71$ 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.

a$.$ Direct materials price variance $4$

Unfavorable

b$.$ Direct materials quantity variance

$

Favorable

c$.$ Direct materials cost variance

$

Favorable