A room has its walls aligned accurately with respect to north, south, east, and west. The north wall has an area of 15 m², the east wall has an area of 12 m², and the floor’s area is 35 m². At the site the Earth’s magnetic field has a value of 0.60 G and is directed 50° below the horizontal and 7.0° east of north. Find the magnetic flux through the north wall, the east wall, and the floor.