4 points Taff Ltd has the following information for materials for the last financial period: Standard cost of materials: 5 kg at 3 per kg 15 per unit Budget production: 28,000 units Actual results: Production 32,000 units Materials: 150,000 kg for 475,500 Since preparation of the budget, the usage had been revised to 4.75 kg per unit due to specification changes. Calculate the materials usage variance and analyse it into the planning and operational variances. Enter your answers into the statement below: The Materials Usage variance is type your answer choose your answer.. The Materials Usage Planning Variancels and the Materials Usage Operational Variance is type your answer_ type your answer choose your answer.. choose your