Actual labor rate $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. Total materials variance $enter a dollar amount select an option Materials price variance $enter a dollar amount select an option Materials quantity variance $enter a dollar amount select an option Total labor variance $enter a dollar amount select an option Labor price variance $enter a dollar amount select an option Labor quantity variance