Jakes Roof Repair has provided the following data concerning its costs:

	Fixed Cost per Month	Cost per Repair-Hour
Wages and salaries	$ 21,000	$ 15.00
Parts and supplies		$ 7.30
Equipment depreciation	$ 2,790	$ 0.60
Truck operating expenses	$ 5,710	$ 1.80
Rent	$ 4,640
Administrative expenses	$ 3,820	$ 0.40

For example, wages and salaries should be $21,000 plus $15.00 per repair-hour. The company expected to work 3,000 repair-hours in May, but actually worked 2,900 repair-hours. The company expects its sales to be $49.00 per repair-hour.

Required:

Compute the companys 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.)

Jake's Roof Repair Activity Variances For the Month Ended May 31 \begin{tabular}{l} Revenue \\ \hline Expenses: \\ \hline Wages and salaries \\ \hline Parts and supplies \\ \hline Equipment depreciation \\ \hline Truck operating expenses \\ \hline Rent \\ \hline Administrative expenses \\ \hline Total expense \\ \hline Net operating income \end{tabular}