Strategy Design Pattern (Case Study)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace www.askbargains.com
{
    namespace Strategy
    {
        public class EyeDoctor : Doctor
        {
            const int examFee = 80;

            public override void ExamineKid()
            {
                //exam starts
                Console.WriteLine("Dr. WANG (Eye doctor) starts examination for " + aKid.Name + " ....");
                //step 1
                Console.WriteLine("Distance Vision Eye Test in process...");
                //step 2
                Console.WriteLine("Near Vision Test in process...");
                //step 3
                Console.WriteLine("Amsler Grid Eye Test in process...");
                //step 4
                Console.WriteLine("Exam completed for" + aKid.Name);

            }

            public override void GenerateBill()
            {
                Console.WriteLine("Generating the biling info...");
                Console.WriteLine("Examination Fee : $" + examFee);
                //apply the discount for kids
                switch (aKid.Age)
                {
                    case 3:
                        Console.WriteLine("Extra 25%  discount is applied for " + aKid.Name);
                        Console.WriteLine("Total due: " + examFee * (1 - 0.25));
                        break;
                    case 4:
                        Console.WriteLine("Extra 25% discount for " + aKid.Name);
                        Console.WriteLine("Total due: " + examFee * (1 - 0.15));
                        break;
                    default:
                        Console.WriteLine("Extra 10% discount for " + aKid.Name);
                        Console.WriteLine("Total due: " + examFee * (1 - 0.10));
                        break;
                }


            }

            public override void CreateReport()
            {
                Console.WriteLine("Writing the report...");

                //I hardcode the condition here for an demo here.
                if (aKid.Name == "Elizabeth")
                    Console.WriteLine(aKid.Name + " needs the follow up check. please contact us...");
                else
                    Console.WriteLine(aKid.Name + " is fine. Thanks. ");
            }
        }
    }
}