===================================================================
--- original.js
+++ change.js
@@ -4,9 +4,9 @@
 // Upgrade class
 var Upgrade = Container.expand(function () {
 	var self = Container.call(this);
 	var upgradeGraphics = self.createAsset('upgrade', 'Upgrade option', 0.5, 0.5);
-	self.cost = 50; // Cost of the upgrade
+	self.cost = 100; // Cost of the upgrade
 	self.onClick = function () {
 		if (LK.getScore() >= self.cost) {
 			// Deduct cost and increase pizza value
 			LK.setScore(LK.getScore() - self.cost);
@@ -32,9 +32,9 @@
 // UpgradeButton class
 var UpgradeButton = Container.expand(function () {
 	var self = Container.call(this);
 	var upgradeButtonGraphics = self.createAsset('upgradeButton', 'Upgrade button', 0.5, 0.5);
-	self.cost = 200; // Cost of the new upgrade button
+	self.cost = 500; // Cost of the new upgrade button
 	self.onClick = function () {
 		if (LK.getScore() >= self.cost) {
 			// Deduct cost and increase pizza value more significantly
 			LK.setScore(LK.getScore() - self.cost);
@@ -67,9 +67,9 @@
 // MegaUpgradeButton class
 var MegaUpgradeButton = Container.expand(function () {
 	var self = Container.call(this);
 	var megaUpgradeButtonGraphics = self.createAsset('megaUpgradeButton', 'Mega Upgrade button', 0.5, 0.5);
-	self.cost = 10000; // Cost of the mega upgrade button
+	self.cost = 25000; // Cost of the mega upgrade button
 	self.onClick = function () {
 		if (LK.getScore() >= self.cost) {
 			// Deduct cost and increase pizza value significantly
 			LK.setScore(LK.getScore() - self.cost);
@@ -104,9 +104,9 @@
 });
 scoreTxt.anchor.set(0.5, 0);
 LK.gui.top.addChild(scoreTxt);
 // Ketchup upgrade text
-var ketchupUpgradeTxt = new Text2('ketchup 50$ 2x click', {
+var ketchupUpgradeTxt = new Text2('ketchup 100$ 2x click', {
 	size: 100,
 	fill: "#ffffff"
 });
 ketchupUpgradeTxt.anchor.set(0.5, 0);