The River Plant of Carlisle, Incorporated produces a particular metal fixture used in aerospace and maritime industries. The following information is available for the last operating month: The plant produced and sold 28,060 fixtures for $72 each. Budgeted production was 30,000 fixtures. Standard variable costs per fixture follow: Direct materials: 4 pounds at $4 Direct labor: 0.1 hours at $40 Variable production overhead: 0.4 machine-hours at $20 per hour Total variable costs Fixed production overhead costs: Monthly budget $812,000 Fixed overhead is applied at the rate of $30 per fixture. . Actual production costs: Direct materials purchased and used: 105,500 pounds at $4.25 Direct labor: 2,780 hours at $41.75 Variable overhead: 12,000 machine-hours at $19.45 per hour Fixed overhead Required: a. Prepare a cost variance analysis for each variable cost for the River Plant. b. Prepare a fixed overhead cost variance analysis. $ 16.00 4.00 8.00 $28.00 $ 448,375 116,065 233,400 832,000 c. (Appendix) Prepare the journal entries to record the activity for the last period using standard costing. Assume that all variances are closed to Cost of Goods Sold at the end of the operating period.