Need to use:

Windows Forms App (NET Framework) Visual C# Exercise 3-4 A hotel chain 0 offers special discounts for customers 20% discount on reservations for 2 to who have a gold or platinum status: 4 days and 30% discount for stays of 5 or more days : 30% discount on reservations for 2 to 4 days and 40% discount for stays of 5 or more Platinum days. w form named Exercise 3.4. You may develop the form within the existing project DecisionAnd Validation, or a new project named Ch3_Exercises. Let the user enter the number of Ch3 days, custom display the total cost rate/day * number with the decimals aligned. er status (Gold or Platinum) and room rate/day into three different TextBoxes. Compute and of days), discount and net amount (-total cost -discount)