using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var transactions = new List<Transaction> {

            new Transaction { TransactionId = 1, TransactionType = "CC", AccountNumber = "4000500060007777", Amount = 234.98m, County = "LA" },

            new Transaction { TransactionId = 2, TransactionType = "CC", AccountNumber = "4000500060007788", Amount = 24, County = "OC" },

            new Transaction { TransactionId = 3, TransactionType = "ACH", AccountNumber = "12345566", Amount = 75.39m, County = "OC" },

            new Transaction { TransactionId = 4, TransactionType = "CC", AccountNumber = "4000500066669000", Amount = 154.60m, County = "LA" },

            new Transaction { TransactionId = 5, TransactionType = "ACH", AccountNumber = "5006001", Amount = 384.28m, County = "LA" },

            new Transaction { TransactionId = 6, TransactionType = "ACH", AccountNumber = "123700800", Amount = 87.19m, County = "LA" },

            new Transaction { TransactionId = 7, TransactionType = "CC", AccountNumber = "3000400077889900", Amount = 253.28m, County = "OC" }

        };

        // *** For any of the above transactions, if it's in 'LA' county, a tax of 8% of the Amount will be imposed, otherwise the tax would be 7%.

        // *** Please get the list of credit card (TransactionType = "CC") transactions, return and print each transaction with TransactionId, 

        // *** Amount, County and Tax in the order of descending Tax

        //foreach (var t in result)

        //{

        //  Console.WriteLine($"{t.TransactionId} : {t.Amount} : {t.Tax:F2} : {t.County}");

        //}

    }

}

​

public class Transaction

{

    public int TransactionId { get; set; }

    public string TransactionType  { get; set; }

    public string AccountNumber  { get; set; }

    public decimal Amount { get; set; }

    public string County { get; set; }

}