Visual Studio 2017 Fundamentals of C# Programming for Informations Systems Description: The objective of this assignment is to demonstrate the ability to capture input from a form, validate that input, perform data operations, use arrays, use class variables, read and write to a file and display output to a windows form

Requirements:

Create a windows form to allow processing of extra deposits to an annuity.

Use textboxes for user input.

Use a combobox to display and select annuities based on annuity number. Selection of annuity should display annuity information in listbox.

Use listbox to display selected annuity.

One button is required: Process. Result of button click is that new balance should replace current balance in array and the listbox display should be updated to show new balance for selected annuity, additional deposit should be set back to zero.

Additional deposit should be non-negative non-zero number

File (annuities.txt) should be in the bin/debug directory.

An array should be loaded from the file (annuities.txt) and the annuity numbers should be loaded into the combo box in the form load event. Additional deposit should be set to zero.

The array should be written out to annuities.txt in the form closing event. It should replace the existing annuities.txt file.

annuities.txt format:

annuity number, interest rate, deposit amount, term, current value 1234,5,100,10,4123.11 4321,6,200,5,2010.44 1324,7,500,5,3123.75 3152,4,200,20,3531.12