If you are trying to build credit by using a credit card, each
time you make a purchase with the credit card, deduct that amount
from your checking account. That way, when your credit card bill is
due, you will have enough to pay the credit card off in full. Kathy
Lehner is going to start doing this. She plans on paying her credit
card bill in full this month. How much does she owe with a 9% APR
and...