What rhymes with annual percentage rate?
an·nu·al per·cent·age rate

The term annual percentage rate, also called nominal APR, and the term effective APR, also called EAPR, describes the interest rate for a whole year, rather than just a monthly fee/rate, as applied on a loan, mortgage loan, credit card, etc. It is a finance charge expressed as an annual rate. Those terms have formal, legal definitions in some countries or legal jurisdictions, but in general: ⁕The nominal APR is the simple-interest rate. ⁕The effective APR is the fee+compound interest rate. The nominal APR is calculated as: the rate, for a payment period, multiplied by the number of payment periods in a year. However, the exact legal definition of "effective APR", or EAR in short, can vary greatly in each jurisdiction, depending on the type of fees included, such as participation fees, loan origination fees, monthly service charges, or late fees. The effective APR has been called the "mathematically-true" interest rate for each year. The computation for the effective APR, as the fee+compound interest rate, can also vary depending on whether the up-front fees, such as origination or participation fees, are added to the entire amount, or treated as a short-term loan due in the first payment. When start-up fees are paid as first payment, the balance due might accrue more interest, as being delayed by the extra payment period.

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