Suppose You Go to a Retailer's Website and Print a Coupon

Suppose you go to a retailer's website and print a coupon that gives you a discount on your next purchase at their store.But your friend,who also plans to purchase there,can't be bothered.You are revealing to the store that

A) you have a higher elasticity of demand than your friend.
B) you have a lower elasticity of demand than your friend.
C) you have a lower income than your friend.
D) elasticity of demand changes according to the size of the discount offered.
E) you understand price discrimination and your friend does not.