Account Executive Program update 1.1

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

namespace applicationName
{
   public class Program
    {
        static void Main(string[] args)
        {
            //Declare new lists based on the discounts each customer will receive
            CustomerGroup noDiscountCg = new CustomerGroup();
            CustomerGroup lowDiscountCg = new CustomerGroup();
            CustomerGroup highDiscountCg = new CustomerGroup();

            List<Customer> unsortedCustomer = new List<Customer>
            {
            //Adding customers to the unsorted list
            new Customer(123456, "Thom Yorke", "215 Chestnut Lane", "thomyorke@radiohead.com", 2569876548, new DateTime(2013, 1, 9), 500),
            new Customer(852963, "Annie Clark", "879 Hickory Road", "annieclark@gmail.com", 3135453404, new DateTime(2002, 11, 12), 200),
            new Customer(147987, "Claire Boucher", "200 Dogwood Drive", "claireboucher@gmail.com", 9635874102, new DateTime(2000, 10, 11), 10),
            new Customer(357951, "Sophie Hutchings", "963 Highview Court", "sophiehutchings@gmail.com", 2510147756, new DateTime(2007, 8, 8), 400),
            new Customer(789987, "Danny Teague", "8410 Greensboro Road ", "teague@gmail.com", 2315648974, new DateTime(2011, 4, 4), 60),
            new Customer(753963, "Brian McBride", "444 Buena Vista Court", "brianmcbride1@gmail.com", 7899877410, new DateTime(2003, 10, 10), 560),
            new Customer(200132, "David Bowie", "921 Washington Ave", "davidbowie@gmail.com", 4566541230, new DateTime(2000, 1, 1), 910),
            new Customer(452631, "Aidan Baker", "741 Palm Springs Road", "abaker@gmail.com", 1233210123, new DateTime(2005, 5, 5), 700),
            new Customer(687952, "Ben Frost", "563 Cedar Lane", "benfrost@gmail.com", 8256987654, new DateTime(2013, 2, 9), 890),
            new Customer(985204, "Bill Laswell", "10 Pennsylvania Ave", "blaswell@gmail.com", 3413545340, new DateTime(2004, 12, 12), 201),
            new Customer(112154, "Claude Debussy", "852 Stone Brook Road", "cdebussy@gmail.com", 5874963102, new DateTime(2001, 2, 5), 101),
            new Customer(311159, "James Blake", "700 Mountain View Drive", "jamesblake@gmail.com", 2477510156, new DateTime(2007, 7, 3), 630)
            };


            //Loop that sorts based on discounts given number of average transactions
            //Assigns each unsorted customer into a new group based on the discount they'll receive
            foreach (Customer temporary in unsortedCustomer)
            {
                if (temporary.CalcTransaction() <= 3)
                {
                    noDiscountCg.CustomerList.Add(temporary);
                }

                else if (temporary.CalcTransaction() > 6)

                {
                    lowDiscountCg.CustomerList.Add(temporary);
                }

                else if (temporary.CalcTransaction() > 15)
                {
                    highDiscountCg.CustomerList.Add(temporary);
                }
            }

            //Assign unique ID's to each customer group

            noDiscountCg.GroupID = 200;
            lowDiscountCg.GroupID = 500;
            highDiscountCg.GroupID = 700;

            FileStream ostrm;
            StreamWriter writer;
            TextWriter oldOut = Console.Out;
            try
            {
                ostrm = new FileStream("./sorted_customer_list.txt", FileMode.OpenOrCreate, FileAccess.Write);
                writer = new StreamWriter(ostrm);
            }
            catch (Exception e)
            {
                Console.WriteLine("Cannot open sorted_customer_list.txt for writing");
                Console.WriteLine(e.Message);
                return;
            }
            Console.SetOut(writer);


        //Assign account executive to each group
            NoDiscountCustomerGroup(noDiscountCg);
            LowDiscountCustomerGroup(lowDiscountCg);
            HighDiscountCustomerGroup(highDiscountCg);

             Console.SetOut(oldOut);
             writer.Close();
             ostrm.Close();
             Console.WriteLine("Done.");
             Console.WriteLine("This text file is located in the Debug subfolder within the Bin folder.");

        }

        private static void HighDiscountCustomerGroup(CustomerGroup highDiscountCg)
        {
            highDiscountCg.AccountExecutive.Name = "Tim Hecker";
            Console.WriteLine("The following customers will be assigned to the account executive named " + highDiscountCg.AccountExecutive.Name);
            Console.WriteLine("This customer will be placed in group number " + highDiscountCg.GroupID);
            foreach (Customer Customer in highDiscountCg.CustomerList)
            {
                Console.WriteLine(Customer.Name);
                Console.WriteLine(Customer.TotalTransactions);
            }
        }

        private static void LowDiscountCustomerGroup(CustomerGroup lowDiscountCg)
        {
            lowDiscountCg.AccountExecutive.Name = "Brian Williams";
            Console.WriteLine("The following customers will be assigned to the account executive named " + lowDiscountCg.AccountExecutive.Name);
            Console.WriteLine("This customer will be placed in group number " + lowDiscountCg.GroupID);
            foreach (Customer Customer in lowDiscountCg.CustomerList)
            {
                Console.WriteLine(Customer.Name);
                Console.WriteLine(Customer.TotalTransactions);
            }
        }

        private static void NoDiscountCustomerGroup(CustomerGroup noDiscountCg)
        {
            noDiscountCg.AccountExecutive.Name = "Robert Rich";
            Console.WriteLine("The following customers will be assigned to the account executive named " + noDiscountCg.AccountExecutive.Name);
            Console.WriteLine("This customer will be placed in group number " + noDiscountCg.GroupID);
            foreach (Customer Customer in noDiscountCg.CustomerList)
            {
                Console.WriteLine(Customer.Name);
                Console.WriteLine(Customer.TotalTransactions);
            }
        }
    }
}