I had the windscreen replaced on my non Ford Mustang recently.
It took the guy an hour to do.
The glue is an instant grab kind and you get one go at placing the screen.
Remember that the windscreen contributes 30% of the vehicles structural strength.
I understand that the guys who replace windscreens will fit a none supplied screen too. As far as I know in the UK the rate is ab out £60 so roughly $100 I'd guess.
Oh and its taped into place using masking tape, just to make sure it doesnt move. I was advised to wait 3 hours before driving the vehicle.
Of course, if its not a glue in screen you can totally ignore the ramblings of an Englishman