In C++

Write a program that will keep track of the car inventory at some regional auto stores.

Your program should begin by reading the inventory from a data file named "inventory.txt". The first line of the file will contain the number of stores. You may assume that there will not be more than 100 stores. The remaining lines will have the number of cars at store #1, store #2, etc. A data file might look something like this:

5

22

33

14

9

47

After reading the file, your program should provide a menu-based system in which the user will have 4 options:

1 Display the inventory of all stores

2 Add some cars to a store

3 Remove some cars from a store

4 Quit the program

If the user chooses something besides 1 through 4, an "Invalid choice" message should be displayed.

When the user chooses options #2 or #3, the program should first ask for the store number (with data validation) and then ask for the quantity. The removal of cars should validate data.

If you run your program, the sample interaction might look something like that shown below (continuing on to the reverse side of this sheet). Feel free to modify the look and feel, as well as the wording, to make your program user-friendly.

Car inventory program

1. Display Inventory

2. Add some cars

3. Remove some cars

4. Quit the program

Choice: 1

Store Count

1 22

2 33

3 14

4 9

5 47

Car inventory program

1. Display Inventory

2. Add some cars

3. Remove some cars

4. Quit the program

Choice: 2

Store number: 9

Store number: 2

Cars to add: 100

Car inventory program

1. Display Inventory

2. Add some cars

3. Remove some cars

4. Quit the program

Choice: 1

Store Count

1 22

2 133

3 14

4 9

5 47

Car inventory program

1. Display Inventory

2. Add some cars

3. Remove some cars

4. Quit the program

Choice: 3

Store number: 4

Cars to remove 20

Cars to remove 7

Car inventory program

1. Display Inventory

2. Add some cars

3. Remove some cars

4. Quit the program

Choice: 1

Store Count

1 22

2 133

3 14

4 2

5 47

Car inventory program

1. Display Inventory

2. Add some cars

3. Remove some cars

4. Quit the program

Choice: 9

Invalid choice

Car inventory program

1. Display Inventory

2. Add some cars

3. Remove some cars

4. Quit the program

Choice: 4

So long