The following direct materials and direct labor data pertain to the operations of Cullumber Company for the month of August. Actual labor rate Costs $16 per hour Actual materials price $160 per ton Standard labor rate $15.50 per hour Standard materials price $163 per ton Quantities Actual hours incurred and used 5,000 hours Actual quantity of materials purchased and used 1,700 tons Standard hours used 5,040 hours Standard quantity of materials used 1,675 tons (a) Compute the total, price, and quantity variances for materials and labor,