Ergonomics is concerned with improving productivity and safety by designing workplaces, equipment, instruments, computers, workstations, and so on that take into account the physical capabilities of people.
<h3>What is 
ergonomics?</h3>
Ergonomics can be regarded as one that focus on designing and arranging of  things in a way that is safe.
Therefore , ergonomics involves  interacting in  most efficiently and safely way  with improving productivity and safety by designing workplaces.
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Answer: Third
Explanation:
Diminishing returns to labor refers to the phenomenon where every additional worker leads to an increase in production at a decreasing rate.
Using the scenario described, when there was only one employee the company could mow 4 lawns a day. They added a 2nd worker and that figure went to 9 lawns a day which is an increase of FIVE. 
When they added a 3rd worker, the figure again went up but only to 12 which is an increase of THREE only as opposed to the last increase of FIVE. 
After the third worker therefore, there was an increase but at a smaller rate. 
 
        
             
        
        
        
Answer:
B. Switching
Explanation:
Based on the information provided within the question it can be said that the term that would best describe Carla's behavior would be Switching. This is when a customer changes from one product or service provider to another completely different one within the same industry. Usually because of a bad experience or they are overall displeased with the service provided, which seems to be the case with Carla's first haircut.
 
        
             
        
        
        
The journal entry for the inventory purchased will be to record the sale and another one to record the cost of the sale.
<h3>What is a journal entry?</h3>
It should be noted that a journal entry is used to record the financial activities of a company.
In this case, the journal entry for the purchase of inventory on account using the perpetual inventory system is to record the sale and another one to record the cost of the good.
Learn more about inventory on:
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Overdrafts are given by banks only to trustworthy clients. if the bank balance is maintained clearly. To avoid overdrafts there should always be a sufficient amount of balance and avoid using cheques on situations as such.avoid ATM cards as well