You are required to write an interactive C++ program that will manage and monito

Question

You are required to write an interactive C++ program that will manage and monitor an inventory system for 7 days. Initial Value and Inputs • You should start with at least 3 different items (label them as Item-1, Item-2, and Item-3) 30 of each as starting values. • Each day, customers select (buy) different quantity from each items based on their needs. The customer should provide the data as inputs. Program Requirements: • Program must be written interactively menu and request proper data from the user (customer). • Considering the transactions, each day you must report (print) the total sale of each item and the available number. • For each item, if the inventory less than 20%, you should order and make sure to maintain the level of each inventory at 30 each. • Report (print) the status of each item at the end of 7 days. • The program should be fully documented. • Test your program for different set of data. • You should submit (hard copy and digital) the source code, executable file, and properly labeled output.

Explanation / Answer

#include <iostream>

#include <cstring>

using namespace std;

int main()

{

//variable declaration

int item1,item2,item3,ch;

int q1,q2,q3,qty,i;

int total_tea,total_coffee,total_biscuit;

total_tea=0;

total_coffee=0;

total_biscuit=0;

q1=0;

q2=0;

q3=0;

item1=30;

item2=30;

item3=30;

//loop for seven days a week

for(i=1;i<=7;i++){

do{

cout<<endl;

//menu for the user

cout<<"Welcome to the Store"<<endl;

cout<<"Items available are"<<endl;

cout<<"Product Quantity"<<endl;

cout<<"Tea "<<item1<<endl;

cout<<"Coffee "<<item2<<endl;

cout<<"Biscuit "<<item3<<endl;

cout<<"Press 1 to buy Tea"<<endl;

cout<<"Press 2 to buy Coffee"<<endl;

cout<<"Press 3 to buy Biscuit"<<endl;

cout<<"Press 4 to Exit"<<endl;

cout<<"Enter your choice"<<endl;

cin>>ch;

//accepting user choice

if(ch==1)

{

cout<<"Enter the quantity you want to buy"<<endl;

cin>>qty;

total_tea=total_tea+qty;

q1=qty;

item1=item1-q1;

}

if(ch==2)

{

cout<<"Enter the quantity you want to buy"<<endl;

cin>>qty;

total_coffee=total_coffee+qty;

q2=qty;

item2=item2-q2;

}

if(ch==3)

{

cout<<"Enter the quantity you want to buy"<<endl;

cin>>qty;

total_biscuit=total_biscuit+qty;

q3=qty;

item3=item3-q3;

}

}while(ch!=4);

cout<<endl;

//displaying daily sales report

cout<<"Sales at the end of Day "<<(i)<<endl;

cout<<"Tea sold "<<q1<<endl;

cout<<"Tea left "<<item1<<endl;

cout<<"Coffee sold "<<q2<<endl;

cout<<"Coffee left "<<item2<<endl;

cout<<"Biscuit sold "<<q3<<endl;

cout<<"Biscuit left "<<item3<<endl;

cout<<endl;

//if the stock goes below 20%

if(item1<6)

item1=30;

if(item2<6)

item2=30;

if(item3<6)

item3=30;

q1=0;

q2=0;

q3=0;

qty=0;

}

//displaying the weekly report

cout<<"Report For the Whole Week"<<endl;

cout<<"Total Tea Sold "<<total_tea<<endl;

cout<<"Total Coffee Sold "<<total_coffee<<endl;

cout<<"Total Biscuit Sold "<<total_biscuit<<endl;

cout<<"Tea Left "<<item1<<endl;

cout<<"Coffee Left "<<item2<<endl;

cout<<"Biscuit Left "<<item3<<endl;

}

OUTPUT

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