Answer:
Answers are 1.  $95.000  2. $42.500 3. $ 50.000 4. $59.600
Explanation:
In each case you have to replace the data with the given information 
1	If unit sales increase 15%    
    
      Units   price   Total  
 Revenue    20,000.00   17.25   345,000.00  
 Variable Man    20,000.00   9.00   (180,000.00)
 Contribution margin   20,000.00   8.25   165,000.00  
 Fixed expenses    20,000.00   3.50   (70,000.00)
    
 Net income       95,000.00  
    
2	If price decreases by $1.5 and units sold increases by 25%    
      Units   price   Total  
 Revenue    25,000.00   13.50   337,500.00  
 Variable Man    25,000.00   9.00   (225,000.00)
 Contribution margin  	25,000.00   4.50   112,500.00  
 Fixed expenses    25,000.00   2.80   (70,000.00)
    
 Net income       42,500.00  
    
    
3	If price increases by $1.5 and fixed expenses by $20.000    
      Units   price   Total  
 Revenue    20,000.00   16.50   330,000.00  
 Variable Man    20,000.00   9.00   (180,000.00)
 Contribution margin   20,000.00   7.50   150,000.00  
 Fixed expenses    20,000.00   5.00   (100,000.00)
    
 Net income       50,000.00  
    
4     Units   price   Total  
 Revenue  	18,000.00   16.80   302,400.00  
 Variable Man  	18,000.00   9.60   (172,800.00)
 Contribution margin  18,000.00   7.20   129,600.00  
 Fixed expenses  	18,000.00   3.89   (70,000.00)
    
 Net income      59,600.00