A program is required to store, retrieve, and process data.  Below are the processes for the requirements for the program.
1.  A menu must be created to allow the user to perform the following tasks:
• Create a file
• Display a file
• Process a file
• Exit the program
2.  When the user selects Create a file, the user must be allowed to enter the following data which must be saved to PRODUCT.TXT.
Inventory
Number
=========   Item
Description
=============== Unit
Cost
=========   Markup
%
=========
10  Hammer  9.00    5
20  Rake    12.00   50
30  Saw 25.00   25
40  Lamp    300.00  30
50  Sofa    500.00  10

3.  When the user selects Display a file – the data must be retrieved and displayed as a report or a clean fresh screen.  The data should be appropriate aligned similar to the above.  The user should be able to review the report and press a key to continue.

4.  When the user selects Process the data the following report should be generated:
Inventory
Number  Item
Description Unit
Cost    Markup
%   Markup
Amount  Unit
Price
30  Saw 25.00   5%  $9999.99    $99999.99
            10% $9999.99    $99999.99
            15% $9999.99    $99999.99
            20% $9999.99    $99999.99
            **25%   $9999.99    $99999.99   **
            30% $9999.99    $99999.99
            35% $9999.99    $99999.99
            40% $9999.99    $99999.99
            45% $9999.99    $99999.99
            50% $9999.99    $99999.99

 The report uses the markup percentage to calculate the markup amount and unit price. The initial markup percentage for each item is 5% up to a total of 50 %.
Calculate and display the following values below each report using the following format:
## - Markup percentages are available to increase profits.
## -  Markup percentages are available for sale purposes before selling at cost.
# - indicates the number of %’s available to increase profits, or the number of %’s available before selling at cost.