Calculating values within a data master
ok i hav a data master. in this data master i have many variables such as UPC, number of unit, price, discount, price after discount , commission etc. The first thing i am trying to do is an on page load action where as the i would find the revenue of unit price X the number of unit - a 20% discount. I have tried and tried with the tutorials online but I must be doing something wrong. Please help.