need help with the following

The following direct materials and direct labor data pertain to the operations of Carla Vista Company for the month of August. Costs Actual labor rate $14 per hour Actual materials price $180 per ton Standard labor rate $13.50 per hour Standard materials price $183 per ton Quantities Actual hours incurred and used 4,900 hours Actual quantity of materials purchased and used 1,700 tons Standard hours used 4,960 hours Standard quantity of materials used 1,680 tons (a) Compute the total, price, and quantity variances for materials and labor. Total materials variance $ > Materials price variance $ > Materials quantity variance $ Labor quantity variance $