Eastern Polymers, Inc., processes a base chemical into plastic. Standard costs and actual costs for direct materials, direct labor, and factory overhead incurred for the manufacture of 6,400 units of product were as follows Standard Costs Direct materials8,300 lbs. at $4.70 Direct labor Factory overhead Rates per direct labor hr., Actual Costs 8,200 lbs. at $4.50 1,640 hrs. at $18.90 1,600 hrs. at $18.50 based on 100% of normal capacity of 1,670 direct labor hrs.: Variable cost, $4.40 $6,970 variable cost Fixed cost, $7.00 11,690 fixed cost Each unit requires 0,25 hour of direct labor Required: a. Determine the direct materials price variance, direct materials guantity variance, and total direct materials cost variance. Enter a favorable variance as a negative number using a minus sign and an unfavorable variance as a positive number Price variance Quantity variance Total direct materials cost variance Favorable Favorable Favorable