The River Plant of Carlisle, Incorporated produces a particular metal fixture used in aerospace and maritime industries. The following information is avallable for the last operating month: Required: a. Prepare a cost variance analysis for each variable cost for the River Plant. b. Prepare a fixed overhead cost variance analysis. c. (Appendix) Prepare the joumal entries to record the activity for the last period using standard costing. Assume that all veriances are closed to Cost of Goods Sold at the end of the operating period. Answer is not complete. Complete this question by entering your answers in the tabs below. Prepare a fixed overhead cost variance analysis. Note: Indicate the effect of each variance by selecting "F" for favorable, or " U " for unfavorable. If there is no nffect, do not select either option