Please help answer required questions 1-3 using the information provided

PROBLEM 10-21 Critique a Report; Prepare a Performance Report [LO 10-1, LO 10-4, LO 10-6 TipTop Flight School offers flying lessons at a small municipal airport. The school's owner and manager has been attempting to evaluate performance and control costs using a variance report that compares the planning budget to actual results. A recent variance report appears below: I TipTop Flight School Variance Report For the Month Ended July 31 Actual Planning Results Budget Variances Lessons 155 150 $33,900 $33,000 $900 F Expenses Aircraft depreciation .. Fuel. Maintenance Ground facility expenses. Administration. 9,870 9,750 5,700 2,250 2,330 1,550 3.390 25,820 24,970 8,030 120 U 190 U 500 U 120 U 10 F 70 F 850 U $ 50 F 2.750 2.450 1,540 3,320 Total expense Net operating income s 8,080 $