Exercise 9-? (Algal Flexible Budgets and Activity Variances [L09-1, L09-2] Jake's Roof Repair has provided the following data concerning its costs: Fixed Cast Cost per per Month RepairHour lslages and salaries $ 28,988 5 15.88 Parts and supplies 5 14-8 Equipment depreciation $ 2,758 $ 8.35 Truck operating expenses $ 5,738 $ 1.68 Rent $ 4,648 Administrative expenses $ 3,868 5 8.58 For example, wages and salaries should be $20,900 plus $15.00 per repairhour. The company expected to work 2,900 repairhours in May, but actually worked 2,800 repairhours. The company expects its sales to be $46.00 per repairhour. Required: Compute the company's activity variances for May. [Indicate the effect of each variance by selecting "F" for favorable, 1"U" for unfavorable. and "None" for no effect {i.e., zero variance}. Input all amounts as positive values.) Revenue Expenses: Wages and salaries Parts and supplies Equipment depreciation Truck operating expenses Administrative expenses Total expense Net operating income