Flight Caf prepares in-flight meals for airlines in its kitchen located next to a local airport. The company's planning budget for July appears below: In July, 31,000 meals were actually served. The company's flexible budget for this level of activity appears below: Required: 1. Calculate 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.)