You pay what you can afford. 1100sqft unit requires a min. of a two ton unit. prices range from 2100-2900 depending upon the seers of the system. 13 seer is the min. the law requires and for your situation with 1100 sqft. do not worry about the seers as long as it is to code. the bigger the house the more seers for economy.
A university (Latin: universitas, a whole) is an institution of higher (or tertiary) education and research which grants academic degrees in various subjects and typically provides undergraduate education and postgraduate education.
College is about preparing for the working world. If you can't get along with a college professor because you want to fly off somewhere instead of doing your JOB (school) you won't make it in the world of working. Seriously, get over yourself and beg your college professor not to flunk you.