Sunk Costs

question 59

Multiple Choice

Sunk costs:

• A) are an essential part of economic decision making.
• B) are irrelevant to economic decision making.
• C) should be considered, but only when marginal cost is less than marginal benefit.
• D) should be considered only when there is no information about marginal cost and marginal benefit.

---

Definitions:

Digestive Enzymes

Proteins produced by the digestive system to break down foods into nutrients that can be absorbed by the body.

Lacteal

One of the many lymphatic vessels in the intestinal villi that absorb fat.

Lipid Digestion

The biochemical process of breaking down fats into fatty acids and glycerol in the digestive system for absorption and use by the body.

Gastrin

A hormone released by the stomach mucosa; stimulates the gastric glands to secrete pepsinogen.