Give us some credit... Do the Kardashians really expect us to pay $100 to use their MasterCard?

By ANDREA MAGRATH High interest: Kim, Khloe and Kourtney Kardashian arrive at the launch of their official prepaid MasterCard in New York last nightAt the rate they're going, the Kardashians will soon take over the world.They're growing business empire already includes a chain of retail stores, fragrance, and a sunless tanning line as well as their three reality shows and numerous endorsement