Answer:
The high school student should analyze the point at which the marginal cost equals the marginal benefit.
In other words, he or she should see if the increased costs of attending Petesburg University are more or less equal to the increased benefit that is gained from graduating from a more prestigious university.
The student should also analyze the possible opportunity cost in the future. Attending amore renowned college can result in better job prospects than doing otherwise. Higher salaries in the future could be given up if he or she chooses the cheaper option.
Answer: Option (a) is correct.
Explanation:
Income elasticity of demand measures the responsiveness of quantity demanded with change in the income level of an individual.

Income of an individual has a positive relationship with the demand for normal goods and has a negative relationship with the demand for inferior goods.
The answer is environment, this is the word that the wall street journals used in having to term the word comfort as this is somehow a word that made sense to them or something that depicts to them for them, environment is a way of having to say that it is comfort or comforting to other people.
Answer:
3000
1500
Explanation:
For each of the answers in this question I have added the formulas to solve them in the attachment below
1.
(45-39)*5*100
= 3000
2.
(45-39)-3 x5 x100
= $1500
Economies of scale and intra-industry trade combine to produce variety for customers.
Industry (Economy), broadly classified
Industry (Manufacturing), a specific industry, usually in a factory with machinery. A broader industrial sector of the economy that includes the manufacture and production of other intermediate or final products.
General Characteristics of Industrial Society and Modes of Production
Industrialization, Transformation into Industrial Society
Industrial Classification, Classification of Economic Organizations and Activities.
An industry is a group of companies related by their primary business activities. There are dozens of industrial classifications in the modern economy. Industry classifications are usually grouped into larger categories called sectors.
Learn more about industry here
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