code: @Override
  	public CommerceTaxFixedRate fetchByCPTaxCategoryId_Last(
  		long CPTaxCategoryId,
  		OrderByComparator<CommerceTaxFixedRate> orderByComparator) {
  		int count = countByCPTaxCategoryId(CPTaxCategoryId);
  
  		if (count == 0) {
  			return null;
  		}
  
  		List<CommerceTaxFixedRate> list = findByCPTaxCategoryId(CPTaxCategoryId,
  				count - 1, count, orderByComparator);
  
  		if (!list.isEmpty()) {
  			return list.get(0);
  		}
  
  		return null;
  	}
docs: Returns the last commerce tax fixed rate in the ordered set where CPTaxCategoryId = &#63;.
  
  @param CPTaxCategoryId the cp tax category ID
  @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
  @return the last matching commerce tax fixed rate, or <code>null</code> if a matching commerce tax fixed rate could not be found