I have added another NumericField (4) to a form and want to calculate it with the 'total' numericField only, ieNumericField 1NumericField 2NumericField 3 - this is 15% of the total of NF1 & 2NumericField 4 - this is to exclude the 15% and then be added to the TotalNumericField 5 - Total of all the a...