Jake's Roof Repair provided the following data concerning its costs: ror example, wages and salaries should be $20,800 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 soles to be $47,00 per repair-hour, Required: Compute the company's activity variances for May Note: Indicate the effect of each variance by selecting "F" for favorable, " U " for unfavorable, and "None" for no effect (Le., zero variance). Input all amounts as positive values