Kaylar Clinic uses patient-visits as its measure of activity. During September, the clinic budgeted for 3,000 patient-visits, but its actual level of activity was 2,900 patient-visits. The clinic has provided the following data concerning the formulas used in its budgeting and its actual results for September:

Data used in budgeting:

Actual results for September:

1.)Compute Kaylar's total expense spending variance. State answer as a positive.

2.)Compute Kaylar's total expense activity variance. State answer as a positive.

3.)Compute Kaylar's total revenue activity variance. State answer as a positive.

4.)What was the total net operating income activity variance for Kaylars? State answer as a positive.