Specialization benefits buyers and sellers. Focusing on a limited number of related products or services allows them to use capital and labor more efficiently.So , buyers get better products at lower price and sellers sell more products and they manufacture more products at lower costs.
        
             
        
        
        
Martin, a US. citizen travels to Mexico and buys a newly manufactured motorcycle made there. his purchase is included in both Mexican GDP and U.S. GDP.
This is further explained below.
<h3>What is 
GDP?</h3>
Generally, The gross domestic product (GDP) of a nation is a monetary measurement that is based on the market value of all of the final products and services that are produced in that nation during a certain time period. 
Before being regarded as a trustworthy indication, this measure often undergoes revision because of the complexity and subjectivity inherent in its design.
In conclusion, Martin, a resident of the United States, makes a trip to Mexico in order to purchase a motorbike that was only just produced in that country. His purchase is accounted for in both the GDP of Mexico and the GDP of the United States.
 
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The statement "in the cost approach to valuation, land value can be estimated by comparing sales of vacant land that are similar to the subject land" is true.
<h3>What is valuation?</h3>
Valuation is an estimation of the price of a good or a product. When a product is manufactured, its evaluation is estimated. It is estimated by seeing the manufacturing price, labor cost, and raw material cost.
Here, the valuation of vacant land and subject land is estimated, which is similar by seeing the comparison. So the statement will be correct about the comparison.
Thus, the statement is true.
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The question is incomplete. Your most probably complete question is given below:
State whether true or false.
 
        
             
        
        
        
Answer:
The correct answer is letter "C": hexadecimal.
Explanation:
The hexadecimal numeral system is composed of ten digits from 0 to 9 and six letters from the English alphabet from A to F. Letter A is given the 10 value and F values 15. Though, the decimal system composed of numbers from 0 to 9 is the most used in calculations and the binary system (composed by 0 and 1) for programming.
 
        
             
        
        
        
The return on investment for this division is (B) 20%.
<h3>
What is the return on investment (ROI)?</h3>
- Return on investment (ROI) or return on costs (ROC) is a ratio of net income to investment over time (costs resulting from an investment of some resources at a point in time). 
- A high ROI indicates that the benefits of the investment outweigh the costs. 
- ROI is used as a performance indicator to evaluate the efficiency of an investment or to compare the efficiencies of several investments. 
- It is one method of connecting profits to capital invested in economic terms.
<h3>To find the return on investment for this division:</h3>
= income/average invested assets
= $40,000/$200,000
= return on investment 
= 20%
Therefore, the return on investment for this division is (B) 20%.
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Correct question:
The Midwest Division of Grainger Company has an investment center average invested assets of $200,000 and an investment center income of $40,000. What is the return on investment for this division?
(A) 500%
(B) 20%
(C) 25%
(D) 80%