Jake's Roof Repair has provided the following data conceming its costs For example, wages and salarles should be $20,800 plus $15.00 per repair thour. The company expected to work 2,700 repair-hours if May, but actually worked 2,600 repair-hours. The company expects its sales to be $47.00 per tepaif-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 (i.e., zero variance). Input all amounts as positive values.) Required: Compute the company's activity variances for May (Indicate the effect of each variance by selecting "F" for favorable, unfavorable, and "None" for no effect (i.e., zero variance), Input all amounts as positive values.)