The correct options are Assign Issues and Transition Issues.

Marco needs the Assign Issues permission because that permission lets a user change the assignee field and assign tickets to other teammates. He also needs the Transition Issues permission because that permission allows a user to move an issue through workflow statuses and change its status as it progresses.

Not being the assignee is a constraint on how Marco should use the project rather than a permission he must hold. That rule can be enforced by a workflow condition or by team process and does not require a separate project permission beyond Assign Issues to put someone else in the assignee field.

Move Issues is not required here because that permission lets a user move issues between projects or change issue types. It is not needed simply to assign issues or to change workflow status.

Edit Issues is not correct because editing general issue fields is different from assigning issues or performing workflow transitions. You do not need Edit Issues to perform those two specific actions if the proper assign and transition permissions are granted.

Assignable User is incorrect because that control determines whether a user can be selected as an assignee. It does not grant the ability to assign issues to others. The ability to assign is granted by Assign Issues.

Create Issues is not required because creating new tickets is a separate action from assigning existing tickets or moving them through workflow. Marco does not need create rights to perform the responsibilities described.

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