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Compute the materials price variance (A favorable variance should be a positive number. An unfavorable variance should be a negative number). Compute the materials quantity variance (A favorable variance should be a positive number. An unfavorable variance should be a negative number). Compute the labor rate variance (A favorable variance should be a positive number. An unfavorable variance should be a negative number). Compute the labor efficiency variance (A favorable variance should be a positive number. An unfavorable variance should be a negative number). Compute the variable overhead rate variance (A favorable variance should be a positive number. An unfavorable variance should be a negative number). Compute the variable overhead efficiency variance (A favorable variance should be a positive number. An unfavorable variance should be a negative number)