The following direct materials and direct labor data pertain to the operations of Laurel Company for the month of August. Costs $12 per hour Actual labor rate Actual materials price Standard labor rate $100 per ton $11.50 per hour Standard materials price $101 per ton Quantities Actual hours incurred and used 3,500 hours Actual quantity of materials purchased and used 1,000 tons Standard hours used 3,540 hours Standard quantity of materials used 990 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