In C++

Add a static member variable to InventoryItem class called number_articles, of type int. This variable should keep how item articles are sold by the store. Add a static member function called getNumberArticles that return that number.

InventoryItem.h ===========================================================================

class InventoryItem {

public: // Constructor InventoryItem(char *desc, double c, int u); // Destructor ~InventoryItem();

const char *getDescription() const;

double getCost() const;

int getUnits() const;

private: char *description; // The item description double cost; // The item cost int units; // Number of units on hand

};

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InventoryItem.cpp =======================================================================

#include "InventoryItem.h"

using namespace std;

InventoryItem::InventoryItem(char *desc, double c, int u){

description = desc;

cost = c;

units = u;

}

InventoryItem::~InventoryItem(){

}

const char* InventoryItem::getDescription() const{

return description;

}

double InventoryItem::getCost() const{

return cost;

}

int InventoryItem::getUnits() const{

return units;

}

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test_main.cpp ======================================================================

#include "InventoryItem.h"

#include

using namespace std;

int main(){

InventoryItem i1 = InventoryItem("Apples", 10.09, 5);

cout<<"Item Details-";

cout<<" Description: "<

cout<<" Cost: "<

cout<<" Units: "<

return 0;

}

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