Ireally need :

you have just graduated from college and purchased a car for $8000. your credit limit is $12,000. assume that you make no payments and purchase nothing more and that there are no other fees. the monthly interest rate is 14%. write an exponential equation to determine how much you will owe (represented by y) after x months with no more purchases or payments.
a.) y=12,000(1.14)^x
b.) y=8,000(1.14)^x
c.) y=12,000(1.86)^x
d.) y=8,000(1.86)^x