public void ReinvestedInternalReturnRateShouldThrowExceptionWhenFinancialRateIsNegative()
        {
            //Act
            var exception = Record.Exception(() => FinancialCalculations.ReinvestedInternalReturnRate(new[] { 1.2, 2 }, -1, 1.8));

            //Assert
            exception.Should().NotBeNull();
        }
        public void ReinvestedInternalReturnRateShouldCalculatedWithoutError()
        {
            //ActSSS
            var exception = Record.Exception(() => FinancialCalculations.ReinvestedInternalReturnRate(new[] { -4.8, -20 }, 2.4, 1.8));

            //Assert
            exception.Should().BeNull();
        }