8. Examine the following data: 5.00 Material A Standard price per kg Standard usage per unit Actual price per kg Actual usage per unit 7 kg 4.50 8kg The material price variance would be: a) 4.00 adverse b) 3.50 adverse 4.00 favourable d) 3.50 favourable 9. The correct formula for the labour efficiency variance is: a) Standard wage rate less actual wage rate multiplied by standard hours b) Standard wage rate less actual wage rate multiple by actual hours c) Standard hours less actual hours multiplied by standard wage d) None of the above