Answer:
b. accounts for a significant portion of the U.S.'s economic output
Explanation:
- The U.S economy is an economy where the main economic activity is the provision of the services rather than the manufacturing of goods and based on the growth of the services. And it accounts for a large shares of the U.S economic output of trade and commerce.
Answer:
d. the value of total product minus raw materials costs.
Explanation:
The price of the product multiplied by the quantity produced is the revenue.
Total sales revenue divided by the quantity produced gives the price of the product.
I hope my answer helps you
Answer:
D
Explanation:
A perfect competition is characterized by many buyers and sellers of homogenous goods and services. Market prices are set by the forces of demand and supply. There are no barriers to entry or exit of firms into the industry.
In the long run, firms earn zero economic profit. If in the short run firms are earning economic profit, in the long run firms would enter into the industry. This would drive economic profit to zero.
Also, if in the short run, firms are earning economic loss, in the long run, firms would exit the industry until economic profit falls to zero.
Profit is maximised where marginal cost equals marginal revenue.