How much does an Iphone 4s cost in total?

I'm on verizon and the 4s is $50.00 right now.about how much is it to get the phone activated and everything? I read somewhere its 3 grand? Also how much is the data plan per month? I don't know much about iphones at all so if someone could explain it to be i would greatly appreciate it! Thank you!

Added (1). Sorry, didn't think about different countries and stuff. I'm in the USA

I dunno much but i do know one thing.
iphones cost A LOT