The following direct materials and direct labor data pertain to the operations of Laurel Company for the month of August.

$\backslash$table$[[$Costs$,],[$Actual labor rate,$$14,$per hour$],[$Actual materials price,$$220,$perton$],[$Standard labor rate,$$13\mathrm{.}50,$per hour$],[$Standard materials price,$$222,$perton$],[,,]]$

Actual hours incurred and used $4,100$ hours

Actual quantity of materials purchased and used $1,600$ tons

Standard hours used

$4,180$ hours

Standard quantity of materials used

$1,580$ tons

$($a$)$

Compute the total, price, and quantity variances for materials and labor.

Total materials variance

$

Materials price variance

Yaterials quantity variance

$

$$