All of These Statements Are True About Coupons Except Which

All of these statements are true about coupons except which?

A) Couponing can reduce gross revenues by lowering the price paid by already-loyal consumers.
B) Manufacturers that currently use coupons are particularly interested in coupon programs directed at repeat purchasers.
C) Studies suggest that market share does increase during the period immediately after coupons are distributed.
D) Recent growth in coupon fraud has marketers considering adding holograms and visual aids to coupons to help cashiers identify valid coupons.
E) The redemption rate for online coupons is substantially higher than other forms of coupons.