The Renteria Company uses standard costing in its manufacturing plant for auto parts. The standard cost of a particular auto part, based on a denominator level of 3.600 output units per year, included 6 machine hours of variablo manufacturing overhead at $7 per hour and 6 machine-hours of fixed manufacturing overhead at $16 per hour. Actual output produced was 4.200 units. Variable manufacturing overhead incurred was $235.000. Fixed manufacturing overhead incurred was $390,000. Actual machine-hours were 32,000 Road the requirements - Requirements 1. Prepare an analysis of all variable manufacturing overhead and fixed manufacturing overhead variances, using the 4-variance analysis. 2. Prepare journal entries using the 4-variance analysis. 3. Describe how individual fixed manufacturing overhead items are controlled from day to day. 4. Discuss possible causes of the fixed manufacturing overhead variances