We are using a table to collect travel information on an expense report. When the user selects "Mileage Reimbursement" from the drop down, and enters the miles travelled, we want it to use the milage rate on the form to automatically calculate the amount. Here are the three fields involved:
And here is the formula so far:
What do I need to add or change here to get it to calculate when they select that option from the dropdown. If they select anything other than "Mileage Reimbursement", we don't want it to calculate anything so they can enter the correct amount for whatever the expense is.