I need the answer as soon as possible C++ programAn invoice contains a list of goods purchased in a store. Oneelement of the list is a pair of goods - amount. To create anInvoice modeling class with fields:- list of purchased goods - associative array (map) with keyobject Stock and value its priceIn the Invoice class to implement:• get () and set () methods for the list to work element byelement• methods for adding and removing goodsmethod for searching for a product by its codea method for calculating the amount paid for all purchasesAdd and change methods accept an Stock object as anargument. The search method returns a Stock object.class Stock {int code;std::string name;double valuePerUnit;int numberUnits;public:Stock::Stock() {code0;%3Dname =valuePerUnit = 1;numberUnits = 1;}Stock::Stock(int c, std::string n, double v, int nu){code = c;name = n;valuePerUnit = v;numberUnits = nu;}

Python Programming code :: # Define the Invoice class class Invoice: # Class methods def…

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C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter13: Overloading And Templates

Section: Chapter Questions

Problem 15PE

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