using System;

​

public class Program

{

    public static void Main()

    {

        start:

        Console.WriteLine("Welcome to the C Bakery, where all of our goods start with the letter C!");

        Console.WriteLine("Please press enter to continue.");

        Console.ReadLine();

        Console.Clear();

        Console.WriteLine("How many cookies would you like to order?");

        byte cookies = byte.Parse(Console.ReadLine());

        decimal cost1 = 3.99M*cookies;

        Console.WriteLine("How many cakes would you like to order?");

        byte cakes = byte.Parse(Console.ReadLine());

        decimal cost2 = 15.99M*cakes;

        Console.WriteLine("How many cupcakes would you like to order?");

        byte cupcakes = byte.Parse(Console.ReadLine());

        decimal cost3 = 2.99M*cupcakes;

        Console.WriteLine("How much custard would you like to order?");

        byte custard = byte.Parse(Console.ReadLine());

        decimal cost4 = 7.99M*custard;

        decimal subtotal = cost1 + cost2 + cost3 + cost4;

        Console.Clear();

        decimal shipping;

        if (subtotal<=0)

            {shipping=0M;

            Console.WriteLine("Please buy something.");}

        else if(subtotal>0&&subtotal<=50)

            {shipping=7.99M;

            Console.WriteLine("Your shipping cost is $7.99");}

        else if(subtotal>50&&subtotal<=100)

            {shipping=9.99M;

            Console.WriteLine("Your shipping cost is $9.99");}

        else

            {shipping=0M;

            Console.WriteLine("You are eligible for free shipping.");}

        decimal tax = subtotal*0.08625M;

        decimal grandtotal = subtotal + shipping + tax;

        Console.WriteLine("Your subtotal is " + subtotal.ToString("C"));

        Console.WriteLine("Your tax due is " + tax.ToString("C"));

        Console.WriteLine("Your grand total is " + grandtotal.ToString("C"));

        //Bonus part

        if(grandtotal>150)

            {Console.WriteLine("Thank you for making a purchase of more than $150.00, you've won a free gift! Choose 1 for a double layer chocolate cake or 2 for a tub of chocolate ice cream.");

            byte gift= byte.Parse(Console.ReadLine());

            if(gift==1)

            {Console.WriteLine("Congratulations on your free double layer chocolate cake! It shall be shipped with your purchase.");}

             else if(gift==2)

             {Console.WriteLine("Congratulations on your free tub of ice cream! It shall be shipped with your purchase.");} 

             Console.WriteLine("Would you like to run the program again? y/n");

        String choice = Console.ReadLine();

        if (choice=="y" || choice=="Y")

        {

            Console.Clear();

            goto start;

            }

        }   

    }

 }

​

​