Russell and his family are thinking about getting a new big-screen television. He has researched different brands, models, and prices of televisions from the Internet. In this scenario, Russell is the .

purchaser

Explanation:

In business, purchaser are the people or organizations that make economic sacrifice in order to obtain a specific goods and serviced.

From the example above,

In order to obtain the new big-screen television, Russell will most likely need to spend the money that he earned from his work and exchange that money to for the TV.  This is what considered as economic sacrifice.

answer; delirium is a common adverse reaction seen when elderly patients take diphenhydramine;