Develop an Application to Determine Employee Payroll (Use Windows Form Application)

Problem:
The company TK-Tec requires a mechanized system to calculate personnel payroll. This system must have a mechanism to add employees to a text file and a button to calculate payroll using this file.

Requirements:
The data is obtained from the following text file: `employees.txt`
```
RIVERA, A.
ROSA, M.
SIERRA, J.
3255
3256
3257
40
40
40
8.25
7.95
8.75
```

Button to Calculate Payroll:

- Determine the Gross Pay:
\[ \text{Gross Pay} = \text{Hours Worked} \times \text{Pay Per Hour} \]

- Calculate Payroll Deductions:
- Tax: 10% of commission
- FICA: Commission \times 7.65%
- Medical Insurance:
- If Category = 'E', Medical Insurance = \$35.00
- Otherwise, pay \$10.00

- Calculate the Net Pay

Buttons:
- Calculate Payroll Button: Perform the above calculations
- Screen Clear Button: Clear the input and output fields
- Close Button: Close the application

Display the Result in a Label:
- Name:
- Category:
- Gross Pay: (in dollar format)
- Total Deductions: (in dollar format)
- Net Pay: (in dollar format)

To develop an application to determine employee payroll using a Windows Form Application, you can follow these steps:

1. Create a Windows Form Application project in your preferred programming language (e.g., C#).
2. Design the user interface with the required elements, such as labels, textboxes, buttons, and a result label to display the output.
3. Add a text file named "employees.txt" to your project directory. This file will store the employee data.
4. Implement the functionality for adding employees to the text file. This can be done by creating a form with input fields for employee information, such as name, category, hours worked, and pay per hour. When the user clicks an "Add Employee" button, you can write the employee data to the "employees.txt" file.
5. Implement the functionality for calculating the payroll. Create a button labeled "Calculate Payroll" and write the logic to perform the required calculations based on the data in the "employees.txt" file.
- Read the data from the text file and parse it to extract the employee details.
- For each employee, calculate the gross pay by multiplying the hours worked by the pay per hour.
- Calculate the payroll deductions:
- Calculate the tax deduction as 10% of the gross pay.
- Calculate the FICA deduction as 7.65% of the gross pay.
- Determine the medical insurance deduction based on the employee's category. If the category is "E", deduct $35.00; otherwise, deduct $10.00.
- Calculate the net pay by subtracting the total deductions from the gross pay.
6. Update the result label to display the calculated values, such as the employee's name, category, gross pay, total discounts, and net pay. Format the monetary values as dollars using the appropriate formatting options provided by your programming language.
7. Implement a button labeled "Close" to exit the application when clicked.
8. Implement a button labeled "Clear" to clear the screen and reset all input fields and the result label.

Remember to handle any potential errors, such as file handling errors or invalid input, with appropriate error handling mechanisms. Additionally, you can enhance the user experience by validating input and providing feedback or error messages when necessary.

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