Description Usage Arguments Value Examples

Calculates the interest portion of the payment in period "x"

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`pv` |
Present Value |

`fv` |
Future Value |

`n` |
Number of Periods |

`r` |
Rate |

`x` |
Period in which to calculate the interest portion of the payment |

`end` |
If FALSE, payments are made at the beginning of the period |

Returns the Interest Portion of the Payment in Period "x"

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