Should you find yourself working as a FO in the corporate sector, in addition to the above you may also have to do, but not limited to the following tasks:-
Plan and file the flight
Order/Purchase and prepare catering
Meet and board the passengers
Brief the passengers
Go back and serve drinks if there is a quiet moment in the cruise
Disembark the passengers
Clean the aircraft (inside and out)
If your still standing at the end of the day there will be a pile of Jepp updates to do.
FO's with my company are also responsible for flight expenditure.
Far more interesting and rewarding world than that of the airline FO.