In Core, you can bill your clients using activity, employee or special fee schedule rates. Check Rates for details.
To do so:
- Open the Projects screen.
- Select the project you want to set up for billing and go to its detail view.
- On the General > Assignment tab, click Add Rule.
- Check the rule 'Use Bill Rates from Activity Items screen'. Check Assign Rules to Projects for details.
- Click Add and save your changes. Core will use the activity rates for billing.