Adding an A/C System??

I've got a 2002 Ranger fleet truck with the most basic of options. 2.3, five speed and 2wd and a short box. I do not have AC but I was wondering what the cost would be to put a system in? Also, I could do it myself as in installing it but, what would the cost be?

Forget it. It'll be very costly. I've had much A/C experience myself but I will hesitate to take on such project myself. It can be done but at a cost.