/**** 
* Classes
****/ 
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Define a ClickableCircle class
var ClickableCircle = Container.expand(function () {
	var self = Container.call(this);
	self.coinsPerClick = 1;
	// Create and attach a circle asset
	var circleGraphics = self.attachAsset('circle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Event handler for when the circle is clicked
	self.down = function (x, y, obj) {
		// Increase score by coinsPerClick when the circle is clicked
		LK.setScore(LK.getScore() + self.coinsPerClick);
		scoreTxt.setText(LK.getScore());
	};
});
var Upgrade = Container.expand(function () {
	var self = Container.call(this);
	self.cost = 20;
	// Create and attach an upgrade asset
	var upgradeGraphics = self.attachAsset('Upgrade', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add cost text to the upgrade button
	var costTxt = new Text2(self.cost.toString(), {
		size: 100,
		fill: 0x000000
	});
	costTxt.anchor.set(0.5, 0.5);
	self.addChild(costTxt);
	// Event handler for when the upgrade is clicked
	self.down = function (x, y, obj) {
		// Check if the player has enough points to purchase the upgrade
		if (LK.getScore() >= self.cost) {
			// Deduct the cost of the upgrade from the score
			LK.setScore(LK.getScore() - self.cost);
			scoreTxt.setText(LK.getScore());
			// Increase coins per click by 1 when the upgrade is clicked
			circle.coinsPerClick += 1;
			// Update the cost text
			costTxt.setText(self.cost.toString());
		}
	};
});
var Upgrade2 = Container.expand(function () {
	var self = Container.call(this);
	self.cost = 200;
	// Create and attach an upgrade2 asset
	var upgrade2Graphics = self.attachAsset('Upgrade2', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add cost text to the upgrade2 button
	var costTxt = new Text2(self.cost.toString(), {
		size: 100,
		fill: 0x000000
	});
	costTxt.anchor.set(0.5, 0.5);
	self.addChild(costTxt);
	// Event handler for when the upgrade2 is clicked
	self.down = function (x, y, obj) {
		// Check if the player has enough points to purchase the upgrade2
		if (LK.getScore() >= self.cost) {
			// Deduct the cost of the upgrade2 from the score
			LK.setScore(LK.getScore() - self.cost);
			scoreTxt.setText(LK.getScore());
			// Increase coins per click by 5 when the upgrade2 is clicked
			circle.coinsPerClick += 5;
			// Update the cost text
			costTxt.setText(self.cost.toString());
		}
	};
});
var Upgrade3 = Container.expand(function () {
	var self = Container.call(this);
	self.cost = 2500;
	// Create and attach an upgrade3 asset
	var upgrade3Graphics = self.attachAsset('Upgrade3', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add cost text to the upgrade3 button
	var costTxt = new Text2(self.cost.toString(), {
		size: 100,
		fill: 0x000000
	});
	costTxt.anchor.set(0.5, 0.5);
	self.addChild(costTxt);
	// Event handler for when the upgrade3 is clicked
	self.down = function (x, y, obj) {
		// Check if the player has enough points to purchase the upgrade3
		if (LK.getScore() >= self.cost) {
			// Deduct the cost of the upgrade3 from the score
			LK.setScore(LK.getScore() - self.cost);
			scoreTxt.setText(LK.getScore());
			// Increase coins per click by 25 when the upgrade3 is clicked
			circle.coinsPerClick += 25;
			// Update the cost text
			costTxt.setText(self.cost.toString());
		}
	};
});
var Upgrade4 = Container.expand(function () {
	var self = Container.call(this);
	self.cost = 25000;
	// Create and attach an upgrade4 asset
	var upgrade4Graphics = self.attachAsset('Upgrade4', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add cost text to the upgrade4 button
	var costTxt = new Text2(self.cost.toString(), {
		size: 100,
		fill: 0x000000
	});
	costTxt.anchor.set(0.5, 0.5);
	self.addChild(costTxt);
	// Event handler for when the upgrade4 is clicked
	self.down = function (x, y, obj) {
		// Check if the player has enough points to purchase the upgrade4
		if (LK.getScore() >= self.cost) {
			// Deduct the cost of the upgrade4 from the score
			LK.setScore(LK.getScore() - self.cost);
			scoreTxt.setText(LK.getScore());
			// Increase coins per click by 50 when the upgrade4 is clicked
			circle.coinsPerClick += 50;
			// Update the cost text
			costTxt.setText(self.cost.toString());
		}
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000 //Init game with black background 
});

/**** 
* Game Code
****/ 
// Initialize score text
var scoreTxt = new Text2('0', {
	size: 150,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Create a clickable circle and add it to the game
var circle = game.addChild(new ClickableCircle());
circle.x = 2048 / 2;
circle.y = 2732 / 2;
// Create an upgrade and add it to the game
var upgrade = game.addChild(new Upgrade());
upgrade.x = 2048 / 2 - 700;
upgrade.y = 2732 / 3;
// Create an upgrade2 and add it to the game
var upgrade2 = game.addChild(new Upgrade2());
upgrade2.x = upgrade.x + upgrade.width + 50;
upgrade2.y = upgrade.y;
// Update function called every game tick
// Create an upgrade3 and add it to the game
var upgrade3 = game.addChild(new Upgrade3());
upgrade3.x = upgrade2.x + upgrade2.width + 50;
upgrade3.y = upgrade2.y;
// Create an upgrade4 and add it to the game
var upgrade4 = game.addChild(new Upgrade4());
upgrade4.x = upgrade3.x + upgrade3.width + 50;
upgrade4.y = upgrade3.y;
game.update = function () {
	// Game logic can be added here if needed
};

===================================================================
--- original.js
+++ change.js
@@ -107,9 +107,9 @@
 	};
 });
 var Upgrade4 = Container.expand(function () {
 	var self = Container.call(this);
-	self.cost = 15000;
+	self.cost = 25000;
 	// Create and attach an upgrade4 asset
 	var upgrade4Graphics = self.attachAsset('Upgrade4', {
 		anchorX: 0.5,
 		anchorY: 0.5