static void Main(string[] args)
{
Console.Write("Please enter the employee's first name: ");
string fname = Console.ReadLine();
Console.Write("Please enter the employee's last name: ");
string lname = Console.ReadLine();
Console.Write($"Please enter {fname}'s tax rate: ");
double tax = double.Parse(Console.ReadLine());
Console.Write($"Please enter {fname}'s Gross annual income: ");
double gross = double.Parse(Console.ReadLine());
Employee p1 = new Employee(fname, lname, tax, gross);
Console.WriteLine($"Name: {p1.Fname} {p1.Lname}\nTax: {p1.Tax}%\nGross Salary: {p1.Gross}\nNet Salary: {p1.Net()}");
}