Creating an Invoice Total Application Part I Using C# in Visual Studio 2019

Create an Invoice Total application that lets the user to input a subtotal into the text box, and then calculates the Discount Percent, Discount Amount, and Total for that order when the user clicks the Calculate button. INPUT -> Price (Subtotal) OUTPUT -> Discount Percent, Discount Amount, Total

Creating an Invoice Total Application Part I Using C# in Visual Studio 2015, create an Invoice Total application that lets the user to input a subtotal into the text box, and then calculates the Discount Percent, Discount Amount, and Total for that order when the user clicks the Calculate button. INPUT -> Price (Subtotal) OUTPUT -> Discount Percent, Discount Amount, Total The user interface for this application is shown below: INVOICE TOTAL X PRICE (SUBTOTAL) CALCULATE DISCOUNT PERCENT CLEAR DISCOUNT AMOUNT EXIT TOTAL Open with Pseudo code The Discount Percent should be displayed based on the following conditions: If the Subtotal is between 1 - 99, then the Discount Percent should be 1% (0.01) If the Subtotal is between 100 - 199, then the Discount Percent should be 2% (0.02) If the Subtotal is between 200 - 299, then the Discount Percent should be 3% (0.03) For any Subtotal greater than or equal to 300, then the Discount Percent should be 4% (0.04) Note: You could use either if else if else or switch statement to program this. Calculate the Discount Amount using the following formula: Discount Amount = SubTotal * Discount Percent Calculate the Total using the following formula: Total = SubTotal - Discount Amount Other Programming Criteria All the data (Subtotal, Discount Percent, Discount Amount, and Total) should be stored in Variables. If the user inputs a value other than a number, it should display (using a message box) "Please enter a valid input". If the user inputs a value less than $1, it should display (using a message box) Please, enter a valid amount: $1.00 or more". When the user clicks the Clear button, the Textbox and the three display Labels should be cleared. Also, when the user changes the value of the TextBox, the three display labels should be cleared automatically. A sample output INVOICE TOTAL PRICE (SUBTOTAL) 260 CALCULATE DISCOUNT PERCENT 3.00% CLEAR DISCOUNT AMOUNT $7.80 EXIT $252.20 TOTAL Page 2 13 Q +