Create a program that allows you to view and edit the sales amounts for each month of the current year. Console Monthly Sales program COMMAND MENU add - Add sales for specified month view - View sales...

Console

Specifications

• The program should use a list to store the sales data for each month with the three-letter abbreviation for the month (Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, and Dec) as the key for each item.


• When the program starts, it should read the sales data inserted from the user.


• If the user edits the sales data, the program should edit the data  (review slide 45 for calculate total function example).


• If the user selects total, the program should calculate the total sales and average monthly sales.


• Use functions to view sales, edit sales, calculate total, and calculate average.