You can go to your nearest Hallmark card store and buy a birthday greeting card for a friend and pay $$4\mathrm{.}50.$ Or you can buy a Hallmark card from its new $$0\mathrm{.}99$ line of greeting cards, made with lesser$-$quality materials but just as sentimental$,$ sold$$ at Barnes & Noble bookstores. This is an example of

Multiple Choice

mass customization.

organizational synergy.

one product and multiple market segments.

price discrimination.

a Tiffany Nalmart strategy.