Kate missed a payment on a loan a year ago when times were rough, but has made all payments on time since then. Which statement describes how her credit score will most likely be affected by this scenario?

a. There will be no impact; the on time payments will completely erase the mistake of the late payment.
b.There will be no impact; payment history only goes back six months.
c.The on time payments will not help; her score will be permanently lowered by the late payment.
d.Her score will go down at first, but the on time payments will slowly raise it back up again.

d. Her score will go down at first, but the on time payments will slowly raise it back up again.