The standard material requirements to produce one unit of a product are: Material A 50 units at OMR 12 per unit and Material B 25 units at OMR 15 per unit. During a period the actual consumptions of materials for unit of the product are: Material A 65 units at OMR 11 per unit and Material B 35 units at OMR 16 per unit. The revised Standard quantity for Material A is 66.67 units and for Material B is 33.33 units. Find the Material Mix Variance. a. A-OMR 25.05 F, B - OMR 20.04 A b. A-OMR 20.04 A, B - OMR 25.05 F O c. A-OMR 20.04 F, B - OMR 25.05 A O d. A-OMR 25.05 A, B - OMR 20.04 F