'ulcan Flyovers offers scenic overflights of Mount Saint Helens, the volcano in Washington State that explosively erupted in 1982 . Data oncerning the company's operations in July appear below: 'he company measures its activity in terms of flights. Customers can buy individual tickets for overflights or hire an entire plane for an verflight at a discount. lequired: Prepare a flexible budget performance report for July that includes revenue and spending variances and activity variances. (Indlcate he effect of each varlance by selecting "F" for favorable, "U" for unfavorable, ond "None" for no effect (l.e., zero varlance). Input Il amounts as positive values.)