The C++ code show work in C++ builder !!! ●Design an Stock class that can hold information for a store's inventory.The class should have the following private member variables.●Variable NameitemNumberquantitycostMember Functiondefault constructor• The class should have the following public member functions.constructor #2setltemNumbersetQuantitysetCostgetltemNumbergetQuantitygetCostDescriptiongetTotalCostAn int that holds the item's numberAn int that holds the quantity of the item on handA double that holds the wholesale per-unit cost of the itemDescriptionSets all the member variables to 0Accepts an item's number, quantity, and cost as arguments. Callsother class functions to copy these values into the appropriatemember variables. Then calls the setTotalCost functionAccepts an int argument and copies it into the itemNumber membervariableAccepts an int argument and copies it into the quantity membervariableAccepts a double argument and copies it into the cost membervariableReturns the value in itemNumberReturns the value in quantityReturns the value in cost• Create a C++ header file for the class described in the previous question. It should only contain the declaration code as taught by this lesson.Create a C++ .cpp file for the class whose header file you created in the previous question. It should only contain the definition code as taught by this lesson.Create a C++ client program for the class you created in the previous questions to demonstrate its usage.OIt should consist of one header file and two .cpp files as taught by this lesson.• One.cpp file will contain the main() function and the other .cpp file will contain function definitions that match the declarations in the paired header file.• The program should have at least two functions that receive or return an object of type ItemsInStock.. This program should validate the user inputs to ensure that negative values are not accepted for item number, quantity, or cost.• As a minimum, program output should similar to the example below:Computes and returns the totalCost C. C:\Windows\system32\cmd.exeDemonstrating the default constructor...Item number: 0QuantityCost: 0.00Total Cost: 0.00Demonstrating the overloaded constructor...Item number: 124Quantity : 12CostTotal Cost: 1019.40: 84.95Demonstrating the "set" functions...Item number: 243Quantity : 50CostTotal Cost: 475.00= 9.50Demonstrating the input validation functions...Item Number must be or greater. Please re-enter: 25Quantity must be or greater. Please re-enter: 145Cost must be or greater. Please re-enter: 15.00Item number: 25Quantity : 145CostTotal Cost: 2175.00Press any key to continue...: 15.00xE

Question

The C++ code show work in C++ builder !!! ●Design an Stock class that can hold information for a store's inventory.The class should have the following private member variables.●Variable NameitemNumberquantitycostMember Functiondefault constructor• The class should have the following public member functions.constructor #2setltemNumbersetQuantitysetCostgetltemNumbergetQuantitygetCostDescriptiongetTotalCostAn int that holds the item's numberAn int that holds the quantity of the item on handA double that holds the wholesale per-unit cost of the itemDescriptionSets all the member variables to 0Accepts an item's number, quantity, and cost as arguments. Callsother class functions to copy these values into the appropriatemember variables. Then calls the setTotalCost functionAccepts an int argument and copies it into the itemNumber membervariableAccepts an int argument and copies it into the quantity membervariableAccepts a double argument and copies it into the cost membervariableReturns the value in itemNumberReturns the value in quantityReturns the value in cost• Create a C++ header file for the class described in the previous question. It should only contain the declaration code as taught by this lesson.Create a C++ .cpp file for the class whose header file you created in the previous question. It should only contain the definition code as taught by this lesson.Create a C++ client program for the class you created in the previous questions to demonstrate its usage.OIt should consist of one header file and two .cpp files as taught by this lesson.• One.cpp file will contain the main() function and the other .cpp file will contain function definitions that match the declarations in the paired header file.• The program should have at least two functions that receive or return an object of type ItemsInStock.. This program should validate the user inputs to ensure that negative values are not accepted for item number, quantity, or cost.• As a minimum, program output should similar to the example below:Computes and returns the totalCost C. C:\Windows\system32\cmd.exeDemonstrating the default constructor...Item number: 0QuantityCost: 0.00Total Cost: 0.00Demonstrating the overloaded constructor...Item number: 124Quantity : 12CostTotal Cost: 1019.40: 84.95Demonstrating the &#34;set&#34; functions...Item number: 243Quantity : 50CostTotal Cost: 475.00= 9.50Demonstrating the input validation functions...Item Number must be or greater. Please re-enter: 25Quantity must be or greater. Please re-enter: 145Cost must be or greater. Please re-enter: 15.00Item number: 25Quantity : 145CostTotal Cost: 2175.00Press any key to continue...: 15.00xE

Accepted Answer

Given:Create an Inventory class named, Inventory.cpp, that can hold information and calculatedata…