When an Artist Works with Charcoal, Which Can Be Easily

question 21

Multiple Choice

When an artist works with charcoal, which can be easily erased, what can be done to ensure a permanent bond between the charcoal and the paper?

• A)Nothing can be done.
• B)The artist needs to choose paper that has a coarse grain.
• C)The drawing needs to be framed so that the charcoal cannot be wiped away.
• D)The drawing can be sprayed with a fixative.
• E)All of these are correct.

---

Definitions:

Marginal Revenue

The additional income gained from selling one more unit of a product or service.

Monopolist's Demand Curve

The demand curve faced by a monopolist, which is the same as the market demand curve, indicating that the monopolist can set the price only by choosing the quantity to produce.

Elastic

Describes a situation in which the demand or supply for a product changes significantly when its price changes.

Barriers

Obstacles that prevent or hinder entry into a market or the pursuit of certain activities, which can be economic, legal, technical, or natural in nature.