Exercise 11-8 a The following direct materials and direct labor data pertain to the operations of Laurel Company for the month of August. Costs Actual labor rate Actual materials price Standard labor rate Standard materials price $16 per hour $260 per ton $15.50 per hour $263 per ton Quantities Actual hours incurred and used Actual quantity of materials purchased and used Standard hours used Standard quantity of materials used 3,700 hours 1,700 tons 3,780 hours 1,690 tons (a) Compute the total, price, and quantity variances for materials and labor. Total materials variance Materials price variance Materials quantity variance Total labor variance