final BigDecimal amountRangeTo = this.fromApiJsonHelper.extractBigDecimalNamed(amountRangeToParamName, element, locale);
final BigDecimal annualInterestRate = this.fromApiJsonHelper.extractBigDecimalNamed(annualInterestRateParamName, element, locale);
final InterestRateChartSlabFields slabFields = InterestRateChartSlabFields.createNew(description, periodType, fromPeriod, toPeriod,
amountRangeFrom, amountRangeTo, annualInterestRate, currencyCode);
InterestRateChartSlab interestRateChartSlab = InterestRateChartSlab.createNew(slabFields, interestRateChart);
this.incentiveAssembler.assembleIncentivesFrom(element, interestRateChartSlab, locale);
return interestRateChartSlab;
}