Who Was the First Person to Observe the Spiral Structure

question 72

Multiple Choice

Who was the first person to observe the spiral structure of distant galaxies with a telescope?

• A) Sir Isaac Newton
• B) Sir William Herschel
• C) William Parsons, Earl of Rosse
• D) Galileo Galilei

Identify the relationship between marginal cost (MC) and marginal revenue (MR) in maximizing monopolist’s profit.

Calculate the monopolist’s profits based on given demand and cost data.

Understand the concept of price discrimination and its impact on monopolist’s profits.

Recognize the conditions under which a monopolist should either increase or decrease output to maximize profits.

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Definitions:

Online Retailing

B2C electronic commerce in which individual consumers directly buy goods or services over the Internet; also known as e-retailing.

E-Retailing

The selling of goods and services through online platforms, also known as electronic retailing, encompassing a wide range of online business models.

Cyber-Retailing

The activity of selling products or services through electronic means, such as the internet, rather than through a physical retail store.

Department Stores

Merchandise outlets that carry a wide variety of product lines, with each line operated as a separate department and managed by specialist merchandisers and buyers.