When the current default Hourly Fee rate does not suitable for the activity, you have option to set up custom hourly fee for specific time record. When you change time length later on, this custom rate will still take effect for this time record.
To register custom hourly rate for only single specific time record, click “Report Asset” button at top right corner then enter information
Click “Change…” button
Select “PER HOUR” then adjust amount or currency if needed
Click “Register” to register and enter new Time Record, or
Click “Register & Close” to register then close the dialog
Your Custom Fee Time Record will be successfully registered