Q7. From the following particulars calculate: (a) Material Cost Variance (b) Material Price Variance (c) Material Usage Variance (d) Material Mix Variance The Standard mix of Product is X 300 Units at Rs. 7.50 per unit Y 400 Units at Rs. 10 per unit Z 500 Units at Rs. 12.50 per unit The Actual Consumption was: X 320 Units at Rs. 10 per unit Y 480 Units at Rs. 7.50 per unit Z 420 Units at Rs. 15 per unit