using System;

using System.Collections.Generic;

using System.Linq;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        var json = GetJson();

        var obj = JsonConvert.DeserializeObject<RootObject>(json);

​

        foreach (var offer in obj.Reserved.Values.SelectMany(v => v.Values))

        {

            Console.WriteLine(offer.effectiveDate);

            foreach (var priceDim in offer.priceDimensions.Values)

                Console.WriteLine("\t" + priceDim.description);

        }

    }

​

    public class RootObject

    {

        public Dictionary<string, Dictionary<string, Offer>> Reserved { get; set; }

    }

​

    public class Offer

    {

        public string offerTermCode { get; set; }

        public string sku { get; set; }

        public DateTime effectiveDate { get; set; }

        public Dictionary<string, PriceDimension> priceDimensions { get; set; }

        public TermAttributes termAttributes { get; set; }

    }

​

    public class PriceDimension

    {

        public string rateCode { get; set; }

        public string description { get; set; }

        public string beginRange { get; set; }

        public string endRange { get; set; }

        public string unit { get; set; }

        public Dictionary<string, string> pricePerUnit { get; set; }

        public object[] appliesTo { get; set; }

    }

​

    public class TermAttributes

    {

        public string LeaseContractLength { get; set; }

        public string OfferingClass { get; set; }

        public string PurchaseOption { get; set; }

    }

​

    static string GetJson()

    {

        return @"

{

""Reserved"" : {

""DQ578CGN99KG6ECF"" : {

            ""DQ578CGN99KG6ECF.HU7G6KETJZ"" : {

                ""offerTermCode"" : ""HU7G6KETJZ"",

    ""sku"" : ""DQ578CGN99KG6ECF"",

    ""effectiveDate"" : ""2017-02-28T23:59:59Z"",

    ""priceDimensions"" : {

                    ""DQ578CGN99KG6ECF.HU7G6KETJZ.2TG2D8R56U"" : {

                        ""rateCode"" : ""DQ578CGN99KG6ECF.HU7G6KETJZ.2TG2D8R56U"",

        ""description"" : ""Upfront Fee"",

        ""unit"" : ""Quantity"",

        ""pricePerUnit"" : {

                            ""USD"" : ""11213""

        },

        ""appliesTo"" : [ ]

},

    ""DQ578CGN99KG6ECF.HU7G6KETJZ.6YS6EN2CT7"" : {

        ""rateCode"" : ""DQ578CGN99KG6ECF.HU7G6KETJZ.6YS6EN2CT7"",

        ""description"" : ""Windows (Amazon VPC), hs1.8xlarge instance-hours used this month"",

        ""beginRange"" : ""0"",

        ""endRange"" : ""Inf"",

        ""unit"" : ""Hrs"",

        ""pricePerUnit"" : {

        ""USD"" : ""1.2510000000""

        },

        ""appliesTo"" : [ ]

    }

    },

    ""termAttributes"" : {

    ""LeaseContractLength"" : ""1yr"",

    ""OfferingClass"" : ""standard"",

    ""PurchaseOption"" : ""Partial Upfront""

    }

},

""DQ578CGN99KG6ECF.38NPMPTW36"" : {

    ""offerTermCode"" : ""38NPMPTW36"",

    ""sku"" : ""DQ578CGN99KG6ECF"",

    ""effectiveDate"" : ""2015-04-30T23:59:59Z"",

    ""priceDimensions"" : {

    ""DQ578CGN99KG6ECF.38NPMPTW36.2TG2D8R56U"" : {

        ""rateCode"" : ""DQ578CGN99KG6ECF.38NPMPTW36.2TG2D8R56U"",

        ""description"" : ""Upfront Fee"",

        ""unit"" : ""Quantity"",

        ""pricePerUnit"" : {

        ""USD"" : ""16924""

        },

        ""appliesTo"" : [ ]

    },

    ""DQ578CGN99KG6ECF.38NPMPTW36.6YS6EN2CT7"" : {

        ""rateCode"" : ""DQ578CGN99KG6ECF.38NPMPTW36.6YS6EN2CT7"",

        ""description"" : ""Windows (Amazon VPC), hs1.8xlarge instance-hours used this month"",

        ""beginRange"" : ""0"",

        ""endRange"" : ""Inf"",

        ""unit"" : ""Hrs"",

        ""pricePerUnit"" : {

        ""USD"" : ""1.0910000000""

        },

        ""appliesTo"" : [ ]

    }

    },

    ""termAttributes"" : {

    ""LeaseContractLength"" : ""3yr"",

    ""OfferingClass"" : ""standard"",

    ""PurchaseOption"" : ""Partial Upfront""

    }

},

""DQ578CGN99KG6ECF.NQ3QZPMQV9"" : {

    ""offerTermCode"" : ""NQ3QZPMQV9"",

    ""sku"" : ""DQ578CGN99KG6ECF"",

    ""effectiveDate"" : ""2015-04-30T23:59:59Z"",

    ""priceDimensions"" : {

    ""DQ578CGN99KG6ECF.NQ3QZPMQV9.6YS6EN2CT7"" : {

        ""rateCode"" : ""DQ578CGN99KG6ECF.NQ3QZPMQV9.6YS6EN2CT7"",

        ""description"" : ""USD 0.0 per Windows (Amazon VPC), hs1.8xlarge instance-hour (or partial hour)"",

        ""beginRange"" : ""0"",

        ""endRange"" : ""Inf"",

        ""unit"" : ""Hrs"",

        ""pricePerUnit"" : {

        ""USD"" : ""0.0000000000""

        },

        ""appliesTo"" : [ ]

    },

    ""DQ578CGN99KG6ECF.NQ3QZPMQV9.2TG2D8R56U"" : {

        ""rateCode"" : ""DQ578CGN99KG6ECF.NQ3QZPMQV9.2TG2D8R56U"",

        ""description"" : ""Upfront Fee"",

        ""unit"" : ""Quantity"",

        ""pricePerUnit"" : {

        ""USD"" : ""42860""

        },

        ""appliesTo"" : [ ]

    }

    },

    ""termAttributes"" : {

    ""LeaseContractLength"" : ""3yr"",

    ""OfferingClass"" : ""standard"",

    ""PurchaseOption"" : ""All Upfront""

    }

}

}

}

}

";

    }

}