To add a fixed charge click the “Add Rate” button under “Fixed” tab.
This would open up a pop-up that looks like:
Follow the steps below to add a fixed rate.
Step 1: Enter the name of the fixed rate
Step 2: Select the charge period. The choices are “Daily, Monthly, Quarterly, Annually”
Step 3: Enter the cost per unit. The unit being the charge period. So if you selected Daily, then the cost is $/day
Step 4: Enter the period during which this fixed charge gets added.