Sales Analysis Visual C# chapter 7

Modify the application that you created in Programming Exercise 1 so it also displays the following:

-the average of the values in the array

-the largest value in the array

-the smallest value in the array

I'm having trouble with my code in C# for this one, Help?

Arrays and Lists Programming Problems 1. Total Sales folder of the Student Sample Programs, you will find a file nam re 7-44 shows the file's contents displayed in Notepad. Create ed In the Chap Sales.txt. application that reads this file's contents into an array, displays the array's contents in a ListBox control, and calculates and displays the total of the array's 07 Figu an values. Figure 7-44 The Sales.txt file Sales.txt-Notepad File Edit Format View Help 1245.67 1189.55 1098.72 1456.88 2109.34 1987.55 1872.36 2. Sales Analysis Modify the application that you created in Programming Exercise 1 so it also displays the following The average of the values in the array The largest value in the array The smallest value in the array Charge Account Validation In the Chap07 folder of the Student Sample Programs, you will find a file named Charge Accounts.txt. Ihe fie contains a list of a company's valid charge account numbers. There are a total of 18 charge account a 7-digit number, such as 5658845. Create an application that reads the 3. numbers in the file, and each one is