In: Accounting
The following costs result from the production and sale of 4,950
drum sets manufactured by Tight Drums Company for the year ended
December 31, 2017. The drum sets sell for $345 each. The company
has a 40% income tax rate.
  
            
Variable production costs        
  
Plastic for casing   $   178,200  
  
Wages of assembly workers     
499,950     
Drum stands      222,750  
  
Variable selling costs        
  
Sales commissions      168,300  
  
Fixed manufacturing costs        
  
Taxes on factory      5,500  
  
Factory maintenance      11,000  
  
Factory machinery depreciation     
71,000     
Fixed selling and administrative costs     
     
Lease of equipment for sales staff     
11,000     
Accounting staff salaries     
61,000     
Administrative management salaries     
141,000     
Required:
1. Prepare a contribution margin income statement for the
company.
2. Compute its contribution margin per unit and its contribution
margin ratio.