THE PIECE OF CODING THAT I HAVE HIGHLIGHTED BELOW KEEPS SHOWING ERRORS, WHY? CAN YOU FIX IT class Program { public void Menu() //Menu function to print menu { Console.WriteLine("Enter P-to print...

THE PIECE OF CODING THAT I HAVE HIGHLIGHTED BELOW KEEPS SHOWING ERRORS, WHY? CAN YOU FIX IT

class Program
    {

    public void Menu() //Menu function to print menu
        {
            Console.WriteLine("Enter P-to print menu\nEnter C-to convert from Celsius c.\nEnter F-to convert from Fahrenheit"); //printing the menu
        }
        public void CelsiusToFahrenheit() //function to convert celcius to fahrenheit
        {
            int cel;
            double toFah;
            Console.WriteLine("Enter a number to convert from celsius to Fahrenheit");
            cel = Convert.ToInt32(Console.ReadLine());
            toFah = (double)cel * 9 / 5 + 32; //converting to fahrenheit
            Console.WriteLine("After converting to Fahrenheit = " + toFah);//printing the fahrenheit value

        }
        public void FahrenheitToCelsius()//this is the function to convert fahrenheit to celsius
        {
            int fah;//the variable to store fahrenheit value
            double toCel;
            Console.WriteLine("Enter a number to convert from Fahrenheit to celsius");
            fah = Convert.ToInt32(Console.ReadLine());//taking fahrenheit input from user
            toCel = (double)(fah - 32) * 5 / 9;//converting to fahrenhiet
            Console.WriteLine("After converting to Celsius = " + toCel);

        }
        public static void Main(string[] args)
        {


            Temperature tp = new Temperature();


            char ch;
            int cel;
            int fah;
            double toCel;
            double toFah;
            Console.WriteLine("Enter P-to print menu\nEnter C-to convert from Celsius c.\nEnter F-to convert from Fahrenheit");
            ch = Console.ReadLine()[0];
            if (ch == 'P')
            {
                tp.Menu();
            }
            else if (ch == 'C')
            {
                tp.CelsiusToFahrenheit();
            }
            else if (ch == 'F')
            {
                tp.FahrenheitToCelsius();
            }

        }
    }