Vulcan Flyovers offers scenic overflights of Mount Saint Helens. Data concerning the company$$s operations in July appear below:

Vulcan Flyovers

Operating Data

For the Month Ended July $31$

Actual Results Flexible Budget Planning Budget

Flights $($q$)484850$

Revenue $($$$320\mathrm{.}00$q$)$ $ $13,650$ $ $15,360$ $ $16,000$

Expenses:

Wages and salaries $($$$4,000+$ $$82\mathrm{.}00$q$)8,4307,9368,100$

Fuel $($$$23\mathrm{.}00$q$)1,2601,1041,150$

Airport fees $($$$650+$ $$38\mathrm{.}00$q$)2,3502,4742,550$

Aircraft depreciation $($$$7\mathrm{.}00$q$)336336350$

Office expenses $($$$190+$ $$2\mathrm{.}00$q$)460286290$

Total expenses $12,83612,13612,440$

Net operating income $ $814$ $ $3,224$ $ $3,560$

The company measures its activity in terms of flights. Customers can buy individual tickets for overflights or hire an entire plane at a discount.