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Solutions to Supplementary Exercise Ch. 1 and 2
                         
1. Schedule of cost of goods manufactured (for the year ended 31/12)                      
                         
  Direct materials:                      
  Raw materials inv. 01/01 $10,000                    
  Add: purchases of raw materials 150,000                    
  Raw materials available for use 160,000                    
  Deduct: raw materials inv. 31/12 20,000                    
  Raw materials used in production   $140,000                  
  Direct labor   $200,000                  
  Manufacturing overhead:                      
  Depreciation, factory $60,000                    
  Indirect labor 100,000                    
  Utilities, factory 40,000                    
  Insurance, factory 10,000                    
  Lubricants for machines 15,000                    
  Total overhead costs   225,000                  
  Total manufacturing costs   $565,000                  
  Add: work in process inv. 01/01   25,000                  
      $590,000                  
  Deduct: work in process inv. 31/12   5,000                  
  Cost of goods manufactured   $585,000                  
                         
2. a.                      
  Schedule of cost of goods manufactured (for the year ended 31/12)                      
  Direct materials   $1,200                  
  Direct labor   1,500                  
  Manufacturing overhead:                      
  Indirect labor $400                    
  Rent 300                    
  Maintenance 100                    
  Utilities 200 1,000                  
  Total manufacturing costs   $3,700                  
  Add: beg. WIP   800                  
      $4,500                  
  Deduct: end. WIP   600                  
  Cost of goods manufactured   $3,900                  
                         
  b.                      
  Finished goods, beg.   $500                  
  Add: cost of goods manufactured   3,900                  
  Goods available for sale   $4,400                  
  Finished goods, end.   250                  
  Cost of goods sold   $4,150                  
                         
3                        
                         
                         
            Product Cost            
    OC SKC VC FC DM DL MOH SC DC    
Facility rent         x     x   x    
Utilities         x     x   x    
Personal computer depreciation     x   x     x        
Equipment rent         x     x   x    
Material cost       x   x       x    
Labor cost       x     x     x    
Present Salary   x               x    
Advertising         x       x x    
                         

????: 1999/1/27
??: Jack