Problem 9.18 (Algo) Activity and Spending Variances [LO9-1, LO9-2, LO9-3] You have just been hired by FAB Corporation, the manufacturer of a revolutionary now gatage door opening device. The president has bsked that you review the company's costing system and do what you can to help us get better controf of our manufacturing overhead costs "You find that the campary has never used if fexible budget, and you suggest that preparing such a buclget would be an excetient first step in overheod planning and control. After much effort and analysis, you determined the following cost formalas and gathered the following actual cost data for March: During March, the conpany worked 15.000 mschine-hours and produced 9.000 units. The compony had originally planned to woek 17,000 mechine hours during March Peguired: 1. Cilculato the actrvity variances for March. 2. Colculato the spend ing varlances for Micch Required: 1. Calculate the activity variances for March: 2 Calculate the spending variances for March. Answer is not complete. Complete this question by entering your answers in the tabs below. Calculate the activity variances for March. Note: Indicate the effect of each variance by selecting " F " for favorable, " U " for unfavorable, and "None" for no effect (l.e.r zero variance), input all amounts as postive values