Jake's Roof Repair has provided the following data concerning its costs: Fixed Cost per Month $ 20,900 Wages and salaries Parts and supplies Equipment depreciation Truck operating expenses Rent Administrative expenses Cost per Repair-Hour $15.00 $ 7.60 $ 0.35 $ 1.70 $ 2,800 $ 5,730 $ 4,610 $ 3,80 $ 0.60 For example, wages and salaries should be $20,900 plus $15.00 per repair-hour. The company expected to work 2,600 repair-hours in May, but actually worked 2.500 repair-hours. The company expects its sales to be $46.00 per repair-hour Required: Compute the company's activity variances for May. (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (.e., zero verlance). Input all amounts as positive values.) Answer is not complete. Jake's Roof Repair Activity Variances For the Month Ended May 31 Revenue Expenses Wages and salaries Pars and supplies Coupment depreciation U F F TE OOOOOOOO None IF F U Jake's Roof Repair Activity Variances For the Month Ended May 31 Revenue Expenses Wages and salaries Parts and supplies Equipment depreciation Truck operating expenses Rent Administrative expenses Total expense et operating income F F SISISIS F None F