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Find the coefficient of
Oil Prices
The cost per barrel of crude oil, which can fluctuate based on supply and demand factors, geopolitical events, and market speculation.
Traveler's Checks
Preprinted, fixed-amount checks designed to allow the person signing them to make an unconditional payment to someone else as a result of having paid the issuer for that privilege.
Debit Card
A payment card that deducts money directly from a consumer's checking account to pay for a purchase.
Credit Card
A payment card issued to users as a method of payment allowing the cardholder to borrow funds with which to pay for goods and services with the promise to pay back the lender.
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