15.What activity variances would Adger report with respect to each of its expenses? (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.) 4.What activity variance would Adger report in May with respect to its revenue? (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.) Flexible Budget Activity Variance Planning Budget