Answer: Rarely if ever
Explanation:
In an economy resources are limited while human wants are unlimited. So resources must be used in a way that maximum consumer wants can be met efficiently. In an economy when resources are allocated efficiently it is rarely possible to make some else better off without making someone else worse off. That is it is rarely possible to increase performance of some without sacrificing on some other dimension. 
 
        
             
        
        
        
Answer:
<h2>In this case,the answer is option is B. or a positive economic statement.</h2>
Explanation:
- In Economics or any Social Science,a positive statement basically refers to an assertion,proposition,fact etc. that can be practically tested or evaluated by examining statistical or empirical data,information and/or facts.
- In this instance,the statement given represents an economic relationship between two economic variables,that is,price of gasoline and its consumption level.
- Therefore,this is a general statement that can be verified or evaluated by collecting and examining relevant numerical data or facts on the price of gasoline and its consumption level at various parts of the country.
- Following the data or numerical fact collection on both price of gasoline and its consumption or purchase level,a basic correlation study can be conducted between the two concerned variables to determine whether the gasoline price has any practical impact on its consumption level.
 
        
             
        
        
        
Answer
The answer and procedures of the exercise are attached in the following archives.
Step-by-step explanation:
Gross profit = Sales - Cost of goods sold
= (440 x 90 + 220 x 80 + 264 x 50) - (440 x 56.7 + 220 x 50.4 + 264 x 31.5)
= (39,600 + 17,600 + 13,200) - (24,948 + 11,088 + 8,316)
= 70,400 - 44,352
= $26,048
Ending inventory schedule attached in the excel archive
You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.  
 
        
             
        
        
        
Answer:
The answer is: letter a, To protect national security.
Explanation:
This incident occurred in <em>2016.</em> Taobao is one of the online shopping websites owned by "Alibaba Group." It was placed on the blacklist by the U.S. because of selling<em> "counterfeit goods."</em> However, it was removed from the blacklist in 2012, since it showed efforts in combating piracy. 
One reason for putting Taobao in the blacklist is to protect national security. This is the responsibility of the government to the nation when it feels threatened by anything harmful. The pirated goods were considered a threat to the nation. It can also result to financial loss to the owners due to stolen intellectual properties.
Thus, this explains the answer.
 
        
             
        
        
        
Answer:
The correct answer is: monetary value of all final goods and services produced within the borders of a nation in a particular year.
Explanation:
GDP of a nation can be defined as the monetary value of all the goods and services that are produced within the geographical boundaries of the nation in a year. 
The GDP does not include intermediate goods and services as it may lead to double counting. The reselling of objects is also not included. 
It is used to measure the health of a nation's economy. It shows the level of economic activities in a nation. An increase in GDP means economic growth.