How does the demand curve in monopolistic competition differ from that in perfect competition?

In monopolistic competition, the demand curve is horizontal, while in perfect competition, it is downward sloping.

In monopolistic competition, the demand curve is downward sloping, while in perfect competition, it is horizontal.

In monopolistic competition, the demand curve is upward sloping, while in perfect competition, it is downward sloping.

In monopolistic competition, the demand curve is vertical, while in perfect competition, it is horizontal.