Answer
The answer and procedures of the exercise are attached in the following archives.
Step-by-step explanation:
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.  
 
        
             
        
        
        
To find the margin of safety in dollars, subtract the breakeven sales from the budged or actual sales. 
Current sales are 41,800 units 
Break even point in units is 33,900
Cost per unit is $170
(33,900)($170) = $5,763,000
(41,800)($170) = $7,106,000
The margin of safety in dollars is:
$7,106,000 - $5,763,000 = $1,343,000
        
             
        
        
        
An electronic document in which data is arranged in the rows and columns of a grid and can be manipulated and used in calculations. 
Microsoft excel and google spreadsheet are examples of some of the most common platforms used.
        
             
        
        
        
Answer:
Cost of equity will be 12.96 %
Explanation:
We have given current price of the stock = $32.45
Expected dividend  in one year
 in one year 
Growth rate 
We have to find the cost of equity 
Cost of equity is given by 
Cost of equity  = 12.96 %
 = 12.96 %
 
        
             
        
        
        
Answer:
c. make an accurate diagnosis of what is causing the problem
Explanation:
The manager of the fast-food restaurant should understand the underlying problem first. Working on the assumption that it's because of a competitor marketing campaign may not give the desired results.  A customer's preference may change due to many reasons. 
The manager should make an accurate diagnosis of the problem first. With a precise reason as to why customers as fleeing, then he can develop a counter-strategy. Retaining the current member of the crew will not reverse the situation. Reducing prices may affect profitability, which is not the desired result. With low prices, some customers may question the quality of the breakfast.