managerial accounting, please show all steps!

Cornucopia Inc. makes Zizzles using the following standard costs for each Zizzle. Materials 10 yards $2 per yard Labor 6 hours $5 per hour Variable OH Applied to labor hours $2.50 per hour Fixed OH $4 per hour These standards were based on an estimated normal capacity production level of 110 units though flexible budgets were produced for 90, 110 and 130 units. During the current period, Cornucopia incurred the following actual costs and amounts in making 100 Zizzles: Materials 1200 yards $2.10 Purchased Materials Used 1100 yards Labor 625 hours $4.75 per hour Variable OH 625 hours $1,875 Fixed OH $2,812 Find each of the following being sure to show your work to maximize credit. For each variance, indicate if the variance is Favorable or Unfavorable. 1. Standard Cost 2. Materials Price Variance 3. Materials Usage Variance 4. Total Materials Variance 5. Labor Rate Variance 6. Labor Efficiency Variance 7. Total Labor Variance 8. Variable Overhead Rate Variance 9. Variable Overhead Efficiency Variance 10. For the Materials Price Variance and the Labor Efficiency Variance, explain, other than saying the number was positive or negative, how you knew the variance was either favorable or unfavorable