diff --git a/Assets/Scripts/CollectorUpgrade.cs b/Assets/Scripts/CollectorUpgrade.cs
index 3e4be0d1e48530275fcfd0c9f6144d67dd464192..ab1c34d767aed16bf66ab706a5824176a0ddf3d0 100644
--- a/Assets/Scripts/CollectorUpgrade.cs
+++ b/Assets/Scripts/CollectorUpgrade.cs
@@ -11,7 +11,7 @@ public class CollectorUpgrade : Upgrade
 
         UpgradeTargets target = UpgradeTargets.collector;
         City city = gameObject.GetComponent<City>();
-        float currentLevel = city.GetLevel(target);
+        int currentLevel = city.GetLevel(target);
         city.UseResources(GetPrices(currentLevel));
         city.AddCollector();
     }
diff --git a/Assets/Scripts/PopulationUpgrade.cs b/Assets/Scripts/PopulationUpgrade.cs
index f2de952c2b92ac0244099399ac4425ed94c84af9..04377c22e30f7c2ab3c8ded9ff765617130e67b9 100644
--- a/Assets/Scripts/PopulationUpgrade.cs
+++ b/Assets/Scripts/PopulationUpgrade.cs
@@ -16,7 +16,7 @@ public class PopulationUpgrade : Upgrade
         
     }
 
-    public void upgrade()
+    public void UpgradePopulation()
     {
         UpgradeTargets target = UpgradeTargets.population;
         City city = gameObject.GetComponent<City>();
diff --git a/Assets/Scripts/ResourceCapacityUpgrade.cs b/Assets/Scripts/ResourceCapacityUpgrade.cs
index eda19d90a6da184ac8d599a3c6daec3982dcdc20..803ec748918623948857740fb7e0d60e7c66ad07 100644
--- a/Assets/Scripts/ResourceCapacityUpgrade.cs
+++ b/Assets/Scripts/ResourceCapacityUpgrade.cs
@@ -16,7 +16,7 @@ public class ResourceCapacityUpgrade : Upgrade
         
     }
 
-    public void upgrade()
+    public void UpgradeCapacity()
     {
         UpgradeTargets target = UpgradeTargets.capacity;
         City city = gameObject.GetComponent<City>();
diff --git a/Assets/Scripts/ResourceEfficiencyUpgrade.cs b/Assets/Scripts/ResourceEfficiencyUpgrade.cs
index 86514c535793536e06f27d179844359bac7777ee..94cb070ee00f1601542f1e71b113f0a87d970a9a 100644
--- a/Assets/Scripts/ResourceEfficiencyUpgrade.cs
+++ b/Assets/Scripts/ResourceEfficiencyUpgrade.cs
@@ -16,11 +16,11 @@ public class ResourceEfficiencyUpgrade : Upgrade
         
     }
 
-    public void upgrade()
+    public void UpgradeEfficiency()
     {
         City city = gameObject.GetComponent<City>();
-        increaseEfficiencyLevel();
-        city.UseResources(GetPrices(getEfficiencyLevel() * getEfficiencyLevel()));
-        Debug.Log("Efficienfy upgraded to: " + getEfficiencyLevel());
+        IncreaseEfficiencyLevel();
+        city.UseResources(GetPrices(GetEfficiencyLevel() * GetEfficiencyLevel()));
+        Debug.Log("Efficienfy upgraded to: " + GetEfficiencyLevel());
     }
 }
diff --git a/Assets/Scripts/RoadUpgrade.cs b/Assets/Scripts/RoadUpgrade.cs
index dbb667be82ececd37c920697ead1a7d35c3e489e..52676a0fd29f8148bfedffab67789e09a572ed9a 100644
--- a/Assets/Scripts/RoadUpgrade.cs
+++ b/Assets/Scripts/RoadUpgrade.cs
@@ -16,7 +16,7 @@ public class RoadUpgrade : Upgrade
         
     }
 
-    public void upgrade()
+    public void UpgradeRoad()
     {
         UpgradeTargets target = UpgradeTargets.speed;
         Road road = gameObject.GetComponent<Road>();
diff --git a/Assets/Scripts/Upgrade.cs b/Assets/Scripts/Upgrade.cs
index b201b431ab0b7bbb5d02ab4c4fed21670f04c50d..36839b8d40d15a48d5b5cdae9cf0f244ff23801d 100644
--- a/Assets/Scripts/Upgrade.cs
+++ b/Assets/Scripts/Upgrade.cs
@@ -25,17 +25,17 @@ public abstract class Upgrade : MonoBehaviour
         
     }
 
-    public float getEfficiencyLevel()
+    public float GetEfficiencyLevel()
     {
         return efficiencyLevel;
     }
 
-    public void increaseEfficiencyLevel()
+    public void IncreaseEfficiencyLevel()
     {
         efficiencyLevel++;
     }
 
-    public float getEfficiency()
+    public float GetEfficiency()
     {
         switch (efficiencyLevel)
         {
@@ -63,7 +63,7 @@ public abstract class Upgrade : MonoBehaviour
         List<float> prices = new List<float>();
         foreach(KeyValuePair<Resources, int> key in resources)
         {
-            prices.Add(key.Value * modifier * 50 * getEfficiency());
+            prices.Add(key.Value * modifier * 50 * GetEfficiency());
         }
 
         return prices;