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Invoice - (131.51 KB)
Invoice VB/Invoice.sln
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Invoice VB/Invoice/bin/Debug/Invoice.exe
Invoice VB/Invoice/bin/Debug/Invoice.pdb
Invoice VB/Invoice/bin/Debug/Invoice.vshost.exe
Invoice VB/Invoice/bin/Debug/Invoice.vshost.exe.manifest
Invoice VB/Invoice/bin/Debug/Invoice.xml
Invoice VB/Invoice/bin/Release/
Invoice VB/Invoice/Form1.Designer.vb
Invoice VB/Invoice/Form1.resx
Invoice VB/Invoice/Form1.vb
Invoice VB/Invoice/Invoice.vb
Invoice VB/Invoice/Invoice.vbproj
Invoice VB/Invoice/Invoice.vbproj.user
Invoice VB/Invoice/My Project/
Invoice VB/Invoice/My Project/Application.Designer.vb
Invoice VB/Invoice/My Project/Application.myapp
Invoice VB/Invoice/My Project/AssemblyInfo.vb
Invoice VB/Invoice/My Project/Resources.Designer.vb
Invoice VB/Invoice/My Project/Resources.resx
Invoice VB/Invoice/My Project/Settings.Designer.vb
Invoice VB/Invoice/My Project/Settings.settings
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Invoice VB/Invoice/obj/x86/Debug/GenerateResource.write.1.tlog
Invoice VB/Invoice/obj/x86/Debug/Invoice.exe
Invoice VB/Invoice/obj/x86/Debug/Invoice.Form1.resources
Invoice VB/Invoice/obj/x86/Debug/Invoice.pdb
Invoice VB/Invoice/obj/x86/Debug/Invoice.Resources.resources
Invoice VB/Invoice/obj/x86/Debug/Invoice.vbproj.FileListAbsolute.txt
Invoice VB/Invoice/obj/x86/Debug/Invoice.xml
Invoice VB/Invoice/obj/x86/Debug/TempPE/
Invoice VB/Invoice/obj/x86/Debug/TempPE/My Project.Resources.Designer.vb.dll
Invoice VB/Invoice/obj/x86/Release/
Invoice VB/Q.txt
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Create a class called Invoice that a hardware store might use to represent an invoice for an item sold at the store. An Invoice should include four pieces of information as instance variables-a part number (type String), a part description (type String), a quantity of the item being purchased (type int) and a price per item (double). Your class should have a constructor that initializes the four instance variables. Provide a set and a get method for each instance variable. In addition, provide a method named getInvoiceAmount that calculates the invoice amount (i.e., multiplies the quantity by the price per item), then returns the amount as a double value. If the quantity is not positive, it should be set to 0. If the price per item is not positive, it should be set to 0.0. Write a test application named InvoiceTest that demonstrates class Invoice’s capabilities. I need the code in Visual Basic.NET

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