The treasure of King Tut are one display in a museum. The layout of the museum is shown below with the different room joined by open doors. A guard standing at a door can watch two adjoining rooms. The museum wants to ensure guard present in every room, using the minimum number possible. Room 1 Room 2 Exit Room Room Room 5 Entrance 3 IRI Room Room 6 7 I Room 8 1. Formulate the problem. 2- What is the optimum solution using Excel solver