Newspaper Machines and Soda Vending Machines Operate Very Differently

question 16

Essay

Newspaper machines and soda vending machines operate very differently. The newspaper machine is a mechanical box. You place your four quarters in the machine and you open the door and low and behold there is a stack of newspapers at your disposal. Most people take one and close the door for the next patron to purchase his own copy. But notice that soda vending machines don't operate the same way. They are also mechanical but when the four quarters are inserted and a selection is made only one can of soda is available for the consumer to purchase. Explain in terms of marginal utility why these two machines are designed so differently?

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Definitions:

Erythrocytes

Red blood cells, which are responsible for carrying oxygen from the lungs to the body's tissues and returning carbon dioxide from the tissues back to the lungs.

Biconcave cells

Cells that are shaped like a doughnut with a thinner, concave center. Red blood cells are the most commonly known biconcave cells.

Hemoglobin

A molecule in red blood cells responsible for transporting oxygen from the lungs to various tissues throughout the body and bringing carbon dioxide back from those tissues to the lungs.

Hematopoiesis

The process of forming new blood cells in the body, occurring in bone marrow.