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

$\backslash$table$[[$Costs$,],[$Actual labor rate,$$15,$perhour,$],[$Actual materials price,$$180,$perton,$],[$Standard labor rate,$$14\mathrm{.}50,$perhour,$],[$Standard materials price,$$182,$perton,$],[$Quantities$],[$Actual hours incurred and used,$4,700$ hours$],[$Actual quantity of materials purchased and used,$900$ tons$],[$Standard hours used,,,$760$ hours$],[$Standard quantity of ma$,$ials used,,$390$ 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