Why does a local$$ McDonald's face a$$ downward$-$sloping demand curve for its Quarter$$ Pounder?

Part $2$

In monopolistically competitive$$ markets,

Part $3$

A$.$

changing the price affects the quantity sold because firms are price takers.

B$.$

changing the price affects the quantity sold because

there are only a few sellersthere$$are$$only$$a$$few$$sellers$.$

C$.$

changing the price affects the quantity sold because firms sell differentiated products.

D$.$

changing the price does not affect the quantity sold because

firms have market powerfirms$$have$$market$$power$.$

E$.$

changing the price does not affect the quantity sold because

firms sell differentiated productsfirms$$sell$$differentiated$$products$.$

Part $4$

If$$ McDonald's raises the price it charges for Quarter Pounders above the prices charged by other$$ fast$-$food restaurants,$$ won't it lose all its$$ customers?$$

$$

$$

Yes

No

$.$