Delta Company sell a product known as PATOIKA The standard cost for 1 unit being as follows:-

Direct Material A 20kg at Omani Rials 45 per kg 900

Direct Material B 7 liters at Omani Rials 8 per liter 56

Direct Labor 9 hours at Omani Rials 7 per hour 63

Fixed Production Overhead (9hours * Rials 8) 72

Total Standard Cost 1,091

The fixed overhead included in the standard cost is based on an expected monthly output of 1400 units. Fixed production overhead is absorbed on the basis of direct labor hours.

During April, the actual results were as follows:

Production 1600 units

Material A 34,000 kg used, costing Omani Rials 1,500,000

Material B 10,000 litres used, costing Omani Rials 100,000

Direct Labor 15,000 hours worked for Omani Rials125,000

Fixed Production Overhead Omani Rials 120,000

Required:

1. Calculate Price and Usage Variance for each Material
2. Calculate Labor Rate and Efficiency Variance
3. Calculate Fixed Productions Overhead Expenditure Variance.
4. Calculate Fixed Production Overhead Volume Variance.
5. Calculate Fixed Production Overhead Volume Efficiency Variance.
6. Calculate Fixed Production Overhead Volume Capacity Variance.