Tip Top Corp. produces a product that requires nine standard gallons per unit. The standard price is $$10$ per gallon. If $4,500$ units required $41,700$ gallons, which were purchased at $$9\mathrm{.}6$ per gallon, what is the direct materials $($a$)$ price variance, $($b$)$ quantity variance, and $($c$)$ cost vanance? 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

h$.$Direct matenals guantity vanance

C$.$ Direct matenals cost variance