Definition. This function calculates the internal yield of an investment while evaluating the negative period surpluses with a different interest rate as positive (qualified internal capital yield).
Values (required) The (actual or expected) surpluses from disbursements and deposits, arranged without gaps in a column. Each value represents the end of a period (usually one year) in ascending order and without gaps. Negative surpluses have a minus sign. At least two values are expected, of which at least one is positive and one negative.
Finance_rate (required) The interest rate with which the negative amounts (disbursements) are reduced (discounted) to their cash value.