Because sometimes the check written after the statement closing dates.
Lets say a company do a closing statement on December 26.
 A check written between that date until the end of period ( December 26 - December 31), that transaction simply won't appear on the book because the company already closed the statement on December 26
        
             
        
        
        
Answer:
B) They are employees.
Explanation:
They work for Sally. Sally hired Truly, Glen and Fred and pays them an hourly wage, and provides the tools that they use to perform their work. She also supervises and directs their job. They are not independent contractors due to the direct relation that exists between them and the fact that they obey Sally's orders. 
 
        
             
        
        
        
Answer:
Total output of all products and services.
Explanation:
Aggregate supply is defined as the total amount of goods and services that firms are willing to sell, at a specific price, within a particular economy.
Aggregate supply is a macroeconomic concept, an aggregate variable, that is used in Keynesian and Neoclassical economics, often in models that put it together with aggregate demand, in what is known as the Aggregate Supply-Aggregate Demand model (AS-AD model).
 
        
             
        
        
        
Answer: d) think at the margin.
Explanation:
A rational person is defined as some who makes decision with the intelligent thinking rather being emotional .This result usually results in sensible outcomes.
According to the Ten principles of Economics,it is supposed that a rational person tends to think intelligently and would prefer to make minute changes in the resources while taking decision so that optimal rate can be maintained and additional action can be further thought.
Other option are incorrect because purchasing items from smaller organization, sunk rate and average cost product equalizing with the price is not the decision ability of a rational person 
 
 
        
             
        
        
        
Hello There!
<span>During the selling era, the prevalent business philosophy turned from an emphasis on production to an emphasis on advertising and selling.</span>
Hope This Helps You!
Good Luck :) 
- Hannah ❤