If you want to create an expense rate, select the Rate checkbox. If you want to create an expense limit, deselect the Rate checkbox.
If you are creating an expense rate, select the unit that you want from the Rate Unit drop-down list.
Enter the expense limit or amount for the rate in the Amount field.
Select the currency for the limit or rate, enter a description and select the effective date for the currency
Optionally, select the start and end dates on which the limit or rate starts and ends.
In the Applicability section:
Select the resourceA contact that works on a project. roles that you want to apply the limit or rate to from the Available list and click the ► button to move them into the Chosen list.