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Website
Bankrate

Bankrate: Disputing a Credit Card Purchase

For Students 11th - 12th
Discusses how you can dispute making a credit card payment for a defective product under the Fair Credit Billing Act. An article from December 2004.
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Article
Bankrate

Bankrate: Sales Tax: Definition, How It Works, and How to Calculate It

For Students 9th - 10th
Forty-five states and many local government impose sales taxes on most goods and some services. This article explains the difference between sales taxes and income taxes, and how sales taxes are levied.