You have just graduated from college and purchased a car for $8000. Your credit limit is $20,000. Assume that you make no payments and purchase nothing more and that there are no other fees. The monthly interest rate is 12%. Find the y-intercept for the exponential function which represents how much you will owe (represented by y) after x months with no more purchases or payments.

A(0, 20000)
B(8000, 0)
C(0, 8000)
D(20000, 0)