AccountId = null;         final BigDecimal amountPaid = BigDecimal.ZERO;         final BigDecimal amountWaived = BigDecimal.ZERO;         final BigDecimal amountWrittenOff = BigDecimal.ZERO;         final BigDecimal amountOutstanding = BigDecimal.ZERO;         final BigDecimal percentage = BigDecimal.ZERO;         final BigDecimal amountPercentageAppliedTo = BigDecimal.ZERO;         final Collection<ChargeData> chargeOptions = null;         final 