diff --git a/csharpcore/GildedRose/DailyUpdater.cs b/csharpcore/GildedRose/DailyUpdater.cs
index 78c862fc..ea49dccc 100644
--- a/csharpcore/GildedRose/DailyUpdater.cs
+++ b/csharpcore/GildedRose/DailyUpdater.cs
@@ -4,9 +4,6 @@ namespace GildedRoseKata;
 
 public abstract class DailyUpdater
 {
-    private const int MinQuality = 0;
-    private const int MaxQuality = 50;
-
     public void DailyUpdate(Item item)
     {
         UpdateSellIn(item);
@@ -24,12 +21,12 @@ public abstract class DailyUpdater
 
     protected static void IncreaseQuality(Item item, int byValue = 1)
     {
-        item.Quality = int.Min(item.Quality + byValue, MaxQuality);
+        item.Quality = int.Min(item.Quality + byValue, ItemQuality.MaxQuality);
     }
 
     protected static void DecreaseQuality(Item item, int byValue = 1)
     {
-        item.Quality = int.Max(item.Quality - byValue, MinQuality);
+        item.Quality = int.Max(item.Quality - byValue, ItemQuality.MinQuality);
     }
 }
 
diff --git a/csharpcore/GildedRose/DailyUpdaterFactory.cs b/csharpcore/GildedRose/DailyUpdaterFactory.cs
index 47efd08f..e6b2596d 100644
--- a/csharpcore/GildedRose/DailyUpdaterFactory.cs
+++ b/csharpcore/GildedRose/DailyUpdaterFactory.cs
@@ -5,37 +5,30 @@ namespace GildedRoseKata;
 
 public class DailyUpdaterFactory
 {
-    private enum ItemType
-    {
-        Regular,
-        Legendary,
-        BetterWithAge,
-        BackstagePasses
-    }
-
-    private readonly Dictionary<ItemType, DailyUpdater> _dailyUpdaters = new();
+    
+    private readonly Dictionary<ItemType.ItemKey, DailyUpdater> _dailyUpdaters = new();
     
     public DailyUpdater GetDailyUpdater(Item item)
     {
-        if (IsLegendaryItem(item))
+        if (ItemType.IsLegendaryItem(item))
         {
-            return GetOrCreateDailyUpdater(ItemType.Legendary, () => new DailyUpdaterForLegendaryItems());
+            return GetOrCreateDailyUpdater(ItemType.ItemKey.Legendary, () => new DailyUpdaterForLegendaryItems());
         } 
         
-        if (IsBetterWithAgeItem(item))
+        if (ItemType.IsBetterWithAgeItem(item))
         {
-            return GetOrCreateDailyUpdater(ItemType.BetterWithAge, () => new DailyUpdaterForBetterWithAgeItems());
+            return GetOrCreateDailyUpdater(ItemType.ItemKey.BetterWithAge, () => new DailyUpdaterForBetterWithAgeItems());
         }
 
-        if(IsBackstagePassesItem(item))
+        if(ItemType.IsBackstagePassesItem(item))
         {
-            return GetOrCreateDailyUpdater(ItemType.BackstagePasses, () => new DailyUpdaterForBackstagePassesItems());
+            return GetOrCreateDailyUpdater(ItemType.ItemKey.BackstagePasses, () => new DailyUpdaterForBackstagePassesItems());
         }
 
-        return GetOrCreateDailyUpdater(ItemType.Regular, () => new DailyUpdaterForRegularItems());
+        return GetOrCreateDailyUpdater(ItemType.ItemKey.Regular, () => new DailyUpdaterForRegularItems());
     }
 
-    private DailyUpdater GetOrCreateDailyUpdater(ItemType itemType, Func<DailyUpdater> createDailyUpdater)
+    private DailyUpdater GetOrCreateDailyUpdater(ItemType.ItemKey itemType, Func<DailyUpdater> createDailyUpdater)
     {
         if (!_dailyUpdaters.ContainsKey(itemType))
         {
@@ -44,11 +37,4 @@ public class DailyUpdaterFactory
 
         return _dailyUpdaters[itemType];
     }
-    
-    private static bool IsLegendaryItem(Item item) => item.Name.ToLower().Contains("sulfuras");
-
-    private static bool IsBackstagePassesItem(Item item) => item.Name.ToLower().Contains("backstage passes");
-
-    private static bool IsBetterWithAgeItem(Item item) => item.Name.ToLower().Equals("aged brie");
-    
 }
\ No newline at end of file
diff --git a/csharpcore/GildedRose/ItemQuality.cs b/csharpcore/GildedRose/ItemQuality.cs
new file mode 100644
index 00000000..ea309d63
--- /dev/null
+++ b/csharpcore/GildedRose/ItemQuality.cs
@@ -0,0 +1,9 @@
+namespace GildedRoseKata;
+
+public static class ItemQuality
+{
+    public const int MinQuality = 0;
+    public const int MaxQuality = 50;
+    public const int LegendaryItemQuality = 80;
+
+}
\ No newline at end of file
diff --git a/csharpcore/GildedRose/ItemType.cs b/csharpcore/GildedRose/ItemType.cs
new file mode 100644
index 00000000..138b4322
--- /dev/null
+++ b/csharpcore/GildedRose/ItemType.cs
@@ -0,0 +1,20 @@
+namespace GildedRoseKata;
+
+public static class ItemType
+{
+    public enum ItemKey
+    {
+        Regular,
+        Legendary,
+        BetterWithAge,
+        BackstagePasses
+    }
+    
+    public static bool IsLegendaryItem(Item item) => IsLegendaryItem(item.Name);
+    public static bool IsLegendaryItem(string name) => name.ToLower().Contains("sulfuras");
+
+    public static bool IsBackstagePassesItem(Item item) => item.Name.ToLower().Contains("backstage passes");
+
+    public static bool IsBetterWithAgeItem(Item item) => item.Name.ToLower().Equals("aged brie");
+
+}
\ No newline at end of file