From the following information calculate (i) material cost variance (i) material price variance 2. (ii) Material Usage variance Quantity of material purchased 3000 units Value of material purchased AED. 9000 St. quantity of raw material req. p.u. 25 units Standard rate of material unit AED 2 per Nil Opening stock of material Closing stock of material 500 units Finished production during the period 80 units