Answer:
A. Collateral
Explanation:
Collateral is a pledge that is given to a person in exchange for a loan (of something). The pledge could be redeemed after the loan has been returned (along with whatever strings has come attached with borrowing the item). 
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During the 1970s, some economists argued that the cause of the woes of the economy was due to d.) supply shock due to issues with the supply of oil
<h3>What was the 
economic crisis of the 1970s?</h3>
This refers to the term that is used to discuss and describe the economic crisis that threatened to engulf the United States financial sector due to certain influences such as the 1973 oil crisis, the fall outs of the Vietnam War under President Johnson and many other factors.
Hence, it can be seen that with these factors in mind, the main argument of some economists was that the cause of the woes of the economy was due to d.) supply shock due to issues with the supply of oil as can be found in option D which is true because of the supply shock which helped to cripple the US economy.
Read more about economic crisis of the 1970s here:
brainly.com/question/1549639
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Answer:
Tragedy of the commons.
Explanation:
The "Tragedy of the Commons" refers to the phenomenon where People overuse a common resource. It is a situation arise when individual user share resources with much other and demand increase in comparison to the supply of resources, which lead to depletion, destruction, or damage to resources due to overconsumption. It can be prevented by using certain measures like fixing ownership of resources, assigning basic rules and regulations for usage of resources, penalizing for damage, etc.
In the given case, a retired athlete built a gym and made it common and free for neighborhood residents, which lead to overuse of gym facility and that is a tragedy of common arise.
 
        
             
        
        
        
the answer is: a. reduces employee turnover
in business, potential benefit refers to the benefit that might or might not occurs depending on the performance that created from a certain decision.
Telecommunication is useful for the employers to communicate with the employees even if they not in close proximity. This allow employees to work at home and have more balance between their personal life and professional life. This balance would increase their comfort level in working with the employer and reduce the employee turnover.
 
        
                    
             
        
        
        
Sheila Recognized gain is 
Jacob Recognized gain is 
<u>Solution:
</u>
Sheila’s Sale:
Amount noticed              
Fixed basis                      
                                        -------------
Gain                                 
Recognized Gain = 
Jacob’s Sale:
Amount noticed              
Fixed basis                      
                                        -------------
Gain                                 
                            
Recognized Gain = $8000
The $40,000 profit base of Jacob is same as the adjusted basis of Elane.