PR 23-3B Direct materials, direct labor, and factory overhead cost variance o8J. 3,4 a. Direct materials price variance. 510,100U analysis Road Gripper Tire Co. manufactures automobile tires. Standard costs and actual costs for direct materials, direct labor, and factory overhead incurred for the manufacture of 4,160 tires were as follows: Each tire requires 0.5 hour of direct labor. Instructions Determine (a) the direct materials price variance, direct materials quantity variance, and total direct materials cost variance; (b) the direct labor rate variance, direct labor time variance, and total direct labor cost variance; and (c) the variable factory overhead controllable variance, fixed factory overhead volume variance, and total factory overhead cost variance. PR 23-3B Direct materials, direct labor, and factory overhead cost variance o8J. 3,4 a. Direct materials price variance. 510,100U analysis Road Gripper Tire Co. manufactures automobile tires. Standard costs and actual costs for direct materials, direct labor, and factory overhead incurred for the manufacture of 4,160 tires were as follows: Each tire requires 0.5 hour of direct labor. Instructions Determine (a) the direct materials price variance, direct materials quantity variance, and total direct materials cost variance; (b) the direct labor rate variance, direct labor time variance, and total direct labor cost variance; and (c) the variable factory overhead controllable variance, fixed factory overhead volume variance, and total factory overhead cost variance