P13-5 Direct materials and direct labor, variance analysis Route 66 Tire Co. manufactures automobile tires. Standard costs and actual costs for direct materials, direct labor, and factory overhead incurred for the manufacture of 10,000 tires were as follows: Direct materials Direct labor Standard Costs 85,000 lbs. at $6.25 4,000 hrs. at $20.80 Actual Costs 83,800 lbs. at $6.17 4,450 hrs. at $21.00 Instructions Determine (a) the price variance, quantity variance, and total direct materials cost variance; (b) the rate variance, time variance, and total direct labor cost variance