How much is a data plan for at&t iphone 5c?

My cell phone contract expires in december, I'm planning an iPhone 5c. Can anyone tell me how much i will be paying for the data plan?

Added (1). sorry for the bad grammar, I didn't look over what i wrote before posting.
My bad.

It should be less, but I have read that the iPhone 5c only has 8GB of data storage.

  • When using Kik messenger on iPhone with your data plan, how much mb does it use? I'm getting an iPhone, and I tend to use kik messenger a lot on my blackberry already. How much mb of Internet does Kik use to send and/or receive messages, and picture messages? Is 500mb too low for someone who tends to use it a lot without Wi-Fi? Answers are greatly appreciated.
  • What is data in a Verizon data plan? I just got an iphone 5 and am having some trouble. I know that data includes email, accounts and any internet websites (facebook, youtube, netflix). Does it use up data to have multiple internet browsers open even though I only look at one at a time? Is it possible to use up data when the phone is off? Also, is taking a picture, playing app games, listening to music, and siri considered to be "data" on the data plan? Is there an overall explanation for what a data plan is?
  • How to find out my data plan and how much data I have left? I just get an iPhone and I got the smallest data plan I could. I really don't want to go over and I want to know how much data I have left! I've gone to settings, general, and usage to where it brings up sent and received and I don't understand all of that? Can someone help?
  • How much will data plan cost on Sprint with replacing droid with iPhone? I have a Galaxy S2 and want to replace it with an iPhone. I have a year left on my contract with Sprint and want to get an iPhone from Craigslist, not sure which one yet. I'm on a plan with my parents and have unlimited data, if I buy an unlocked iphone and replace the droid I have will the data plan have to change and the rates go up? And will the price depend on which iphone?