===================================================================
--- original.js
+++ change.js
@@ -1,56 +1,56 @@
-/****
+/**** 
 * Classes
 ****/
 var Peach = Container.expand(function () {
-  var self = Container.call(this);
-  var peachGraphics = self.attachAsset('peach', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.interactive = true;
-  self.on('down', function () {
-    game.peachClicked();
-  });
+	var self = Container.call(this);
+	var peachGraphics = self.attachAsset('peach', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.interactive = true;
+	self.on('down', function () {
+		game.peachClicked();
+	});
 });
 var Coin = Container.expand(function () {
-  var self = Container.call(this);
-  var coinGraphics = self.attachAsset('coin', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.vx = Math.random() * 10 - 5;
-  self.vy = Math.random() * -10 - 5;
-  self.gravity = 0.5;
-  self.move = function () {
-    self.x += self.vx;
-    self.y += self.vy;
-    self.vy += self.gravity;
-    if (self.y > 2732) {
-      self.destroy();
-    }
-  };
+	var self = Container.call(this);
+	var coinGraphics = self.attachAsset('coin', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.vx = Math.random() * 10 - 5;
+	self.vy = Math.random() * -10 - 5;
+	self.gravity = 0.5;
+	self.move = function () {
+		self.x += self.vx;
+		self.y += self.vy;
+		self.vy += self.gravity;
+		if (self.y > 2732) {
+			self.destroy();
+		}
+	};
 });
 var UpgradeButton = Container.expand(function () {
-  var self = Container.call(this);
-  var buttonGraphics = self.attachAsset('upgradeButton', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.interactive = true;
-  self.on('down', function () {
-    game.purchaseUpgrade();
-  });
+	var self = Container.call(this);
+	var buttonGraphics = self.attachAsset('upgradeButton', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.interactive = true;
+	self.on('down', function () {
+		game.purchaseUpgrade();
+	});
 });
 
-/****
+/**** 
 * Initialize Game
 ****/
 var game = new LK.Game({
-  backgroundColor: 0x000000 //Init game with black background 
+	backgroundColor: 0x000000 //Init game with black background
 });
 
-/****
+/**** 
 * Game Code
 ****/
 game.coins = 0;
 game.upgradeCost = 10;
@@ -60,36 +60,50 @@
 game.peach.y = 2732 / 2;
 game.upgradeButton = game.addChild(new UpgradeButton());
 game.upgradeButton.x = 2048 / 2;
 game.upgradeButton.y = 2732 - 200;
+// Create and position the upgrade cost text
+var upgradeCostText = new Text2('Cost: ' + game.upgradeCost, {
+	size: 50,
+	fill: "#ffffff"
+});
+upgradeCostText.anchor.set(0.5, 0);
+upgradeCostText.x = game.upgradeButton.x;
+upgradeCostText.y = game.upgradeButton.y + 250;
+LK.gui.top.addChild(upgradeCostText);
+game.upgradeCostText = upgradeCostText;
 game.coinsText = new Text2('Coins: 0', {
-  size: 100,
-  fill: "#ffffff"
+	size: 100,
+	fill: "#ffffff"
 });
 game.coinsText.anchor.set(0.5, 0);
 LK.gui.top.addChild(game.coinsText);
 game.peachClicked = function () {
-  var coin = game.addChild(new Coin());
-  coin.x = game.peach.x;
-  coin.y = game.peach.y;
-  game.coins += game.upgradeLevel;
-  game.updateCoinsText();
+	var coin = game.addChild(new Coin());
+	coin.x = game.peach.x;
+	coin.y = game.peach.y;
+	game.coins += game.upgradeLevel;
+	game.updateCoinsText();
 };
 game.purchaseUpgrade = function () {
-  if (game.coins >= game.upgradeCost) {
-    game.coins -= game.upgradeCost;
-    game.upgradeLevel++;
-    game.upgradeCost *= 2;
-    game.updateCoinsText();
-  }
+	if (game.coins >= game.upgradeCost) {
+		game.coins -= game.upgradeCost;
+		game.upgradeLevel++;
+		game.upgradeCost *= 2;
+		game.updateCoinsText();
+		// Update the upgrade cost text
+		if (game.upgradeCostText) {
+			game.upgradeCostText.setText('Cost: ' + game.upgradeCost);
+		}
+	}
 };
 game.updateCoinsText = function () {
-  game.coinsText.setText('Coins: ' + game.coins);
+	game.coinsText.setText('Coins: ' + game.coins);
 };
 LK.on('tick', function () {
-  var children = game.children;
-  for (var i = children.length - 1; i >= 0; i--) {
-    if (children[i] instanceof Coin) {
-      children[i].move();
-    }
-  }
+	var children = game.children;
+	for (var i = children.length - 1; i >= 0; i--) {
+		if (children[i] instanceof Coin) {
+			children[i].move();
+		}
+	}
 });
\ No newline at end of file