For each of the following goods, briefly describe the allocation mechanism that is most commonly used in the United States:            ...

For each of the following goods, briefly describe the allocation mechanism that is most commonly used in the United States:

            a.  Pepsi cola

            b.  gasoline

            c.  medical care

            d.  marijuana

            e.  guaranteed student loans

            f.  body organs

            g.  babies through adoption