Laurie's new student credit card has a 0% introductory APR for six months. The minimum payment per month for the card is $20. After the introductory period the APR is 15%. Laurie buys a few presents using her credit card so that her total balance is $135. If Laurie decides to make just the minimum payment, what would her balance be when the introductory period ends?
A.
$15
B.
$35
C.
$25.12
D.
$21.63

Question

Laurie's new student credit card has a 0% introductory APR for six months. The minimum payment per month for the card is $20. After the introductory period the APR is 15%. Laurie buys a few presents using her credit card so that her total balance is $135. If Laurie decides to make just the minimum payment, what would her balance be when the introductory period ends?
A. 
$15
B. 
$35
C. 
$25.12
D. 
$21.63