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CRC Cards for Printing Invoice

Invoice
format the invoice
Address
add a product and quantity Item
  Product
   
   
   
   
   

 

Address
format the address
 
   
   
   
   
   
   
   

 

Product
get description
 
get unit price  
   
   
   
   
   
   

 

Item
format the item
Product
get total price  
   
   
   
   
   
   


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