Perjury is considered a serious offense as it can be used to usurp the power of the courts, resulting in miscarriages of justice. In the United States, for example, the general perjury statute under Federal law classifies perjury as a felony and provides for a prison sentence of up to five years.
Effective interest rate for t periods, i t = (1 + i) t - 1 or as one equation i t = (1 + (r / m)) mt - 1. The rate per compounding period P = R / m, in percent.
To review, the interest rate is the rate used to calculate the amount of interest charged each period. When multiplied by the number of periods in the year, you get your nominal APR. The effective interest rate includes compounding, while the effective APR includes both compounding and fees.