C$++$Retail Class Program

Write a class called RetailItem that holds data about an item in a retail store. The class

should have the following member variables:

Description ~ A string that holds a brief description of the item

unitsOnHand ~ an integer that holds the number of units currently in inventory

price ~ a double that holds an items retail price

reorderQuantity ~ in integer that holds the lowest quantity of units before the store

has to order more.

The class should have the following public member functions:

Default constructor Initializes all values to either $$ or zero.

Non$-$default constructor Accepts all values as arguments and initializes those

values

Mutator Functions Appropriate mutator functions that store values in

these member variables

Accessor Functions Appropriate accessor functions that return values in

these member variables

Create a program that contains a menu to allow the user to do the following:

$1)$ Add an item to inventory

$2)$ Display all items in inventory

$3)$ Check to see if an item is in inventory.

$4)$ Display only those items that need to be re$-$ordered

$5)$ Update an item in inventory

Use an array of up to a constant value of $20$ inventory items in main$().$ Do not allow the

user to enter in more than the constant value. You must use const.