The following direct materials and direct labor data pertain to the operations of Crane Company for the month of August. Costs Actual labor rate Actual materials price Standard labor rate Standard materials price $14 per hour $220 perton $13.50 per hour $222 perton 4,100 hours Quantities Actual hours incurred and used Actual quantity of materials purchased and used Standard hours used Standard quantity of materials used 1,600 tons 4.180 hours 1,580 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 $ Labor price variance $ Labor quantity variance $