The firm that practices price discrimination needs to be able to distinguish ________; the seller also has to be able to prevent the buyers in the lower-priced market from ________ the product to those in the higher-priced market.

A grocery shopper considers "eliminating" the middleman. What might she do?

A) Raise her own cows, slaughter them, and butcher her own meat. B) Grow her own wheat, mill it into flour, and bake her own bread. C) Build her own fishing boat and begin halibut fishing. D) All of the above.

The tax on a bottle of wine is a type of ______ tax.

a. gift b. income c. property d. excise