A chair is drawn from the side: its tall back with a yellow cushion is on the left. A mirror stands on the left of the chair. Which panel shows its image?

The image in an upright mirror is reversed left-to-right whichever side the mirror is on: the back with its cushion goes to the right and the seat sticks out to the left, with the legs still on the floor: (b). (a) is the chair unchanged, (d) is upside down and (c) is a half-turn.