Problem
Create an Application named QutChampionship that uses the Athlete class and performs the following tasks (at least one method is required for each the following sub-tasks):
A. The program prompts the user for the number of participants in this year's championship; the number must be between 0 and 30 (inclusive). Use TryParse() method to check that an integer has been entered. The program should also prompt the user until a valid value in the given range is entered.
B. The expected revenue is calculated and displayed. The cost is $20.00 per participant.
C. The program prompts the user for the names and event codes for each participant entered (check for valid input for the code using TryParse() method). Along with the prompt for an event code, display a list of valid categories.
D. Display information of all participants including the names, the event codes and the corresponding names of events.
E. After data entry is complete, the program displays the valid event categories and then continuously prompts the user for event codes, and displays the names of all participants in the category. Appropriate messages are displayed if the entered code is not a character or a valid code.