Requirement 1. Prepare an analysis of all manufacturing overhead variances. Use the 4-variance analysis framework. Begin by calculating the following amounts for the variable overhead. Data table Requirements 1. Prepare an analysis of all manufacturing overhead variances. Use the 4-variance analysis framework. 2. Prepare journal entries for manufacturing overhead costs and their variances. 3. Describe how individual variable manufacturing overhead items are controlled from day to day. 4. Discuss possible causes of the variable manufacturing overhead variances