Required 1. Compute the company's activity variances for July. (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.) Flight Cafe Activity Variances For the Month Ended July 31 Revenue Expenses: Raw materials Wages and salaries Utilities Facility rent Insurance Miscellaneous Total expense Net operating income