Read Only Access to Manage Project Forecast Task

We need to grant read only access to the Manage Project Forecast task. Navigation is Projects > Project Financial Management > Manage Project Forecast. We’ve tried different combinations of related privileges and data security policy actions and the closest we’ve found is TEST3 in the attachment where “y” indicates the object is included in the test user's access. We’ve found with other Project Financial Management tasks that the “View” data security policies alone often allow read only access to a task with the “Edit” versions of the same action allowing update access, but this is not the