===================================================================
--- original.js
+++ change.js
@@ -408,10 +408,10 @@
 	powerup1.y = screenGraphics.y - 400;
 	self.addChild(powerup1);
 	powerup1.down = function (x, y, obj) {
 		console.log("Powerup1 touched");
-		if (diamondCount >= 10) {
-			diamondCount -= 10;
+		if (diamondCount >= powerupCosts.powerup1) {
+			diamondCount -= powerupCosts.powerup1;
 			diamondCounterTxt.setText(diamondCount);
 			heroFireRate = Math.max(5, heroFireRate - 5); // Increase fire rate when the first powerup is selected, but not less than 5
 			isUsingHeroBullet3 = true; // Switch to HeroBullet3
 			// Removed incorrect attachAsset call for HeroBullet3
@@ -436,9 +436,9 @@
 					bullet.speed *= 2; // Double the speed of bullets
 				});
 			}
 		} else {
-			var message = new Text2("I need ".concat(10 - diamondCount, " more diamonds for this powerup!"), {
+			var message = new Text2("I need ".concat(powerupCosts.powerup1 - diamondCount, " more diamonds for this powerup!"), {
 				size: 100,
 				fill: "#ffffff",
 				stroke: "#000000",
 				strokeThickness: 5
@@ -479,10 +479,10 @@
 	powerup2.y = screenGraphics.y - 400;
 	self.addChild(powerup2);
 	powerup2.down = function (x, y, obj) {
 		console.log("Powerup2 touched");
-		if (diamondCount >= 20) {
-			diamondCount -= 20;
+		if (diamondCount >= powerupCosts.powerup2) {
+			diamondCount -= powerupCosts.powerup2;
 			diamondCounterTxt.setText(diamondCount);
 			// Add action for powerup3
 			shield = game.addChild(new Shield());
 			shield = game.addChild(new Shield());
@@ -497,9 +497,9 @@
 				currentLevelIndex = 0;
 				currentLevel = levels[currentLevelIndex];
 			}
 		} else {
-			var message = new Text2("I need ".concat(20 - diamondCount, " more diamonds for this powerup!"), {
+			var message = new Text2("I need ".concat(powerupCosts.powerup2 - diamondCount, " more diamonds for this powerup!"), {
 				size: 100,
 				fill: "#ffffff",
 				stroke: "#000000",
 				strokeThickness: 5
@@ -540,10 +540,10 @@
 	powerup3.y = screenGraphics.y - 400;
 	self.addChild(powerup3);
 	powerup3.down = function (x, y, obj) {
 		console.log("Powerup3 touched");
-		if (diamondCount >= 30) {
-			diamondCount -= 30;
+		if (diamondCount >= powerupCosts.powerup3) {
+			diamondCount -= powerupCosts.powerup3;
 			diamondCounterTxt.setText(diamondCount);
 			// Add action for powerup3
 			shield = game.addChild(new Shield()); // Add shield when powerup3 is selected
 			self.destroy(); // Close powerup menu
@@ -556,9 +556,9 @@
 				currentLevelIndex = 0;
 				currentLevel = levels[currentLevelIndex];
 			}
 		} else {
-			var message = new Text2("I need ".concat(30 - diamondCount, " more diamonds for this powerup!"), {
+			var message = new Text2("I need ".concat(powerupCosts.powerup3 - diamondCount, " more diamonds for this powerup!"), {
 				size: 100,
 				fill: "#ffffff",
 				stroke: "#000000",
 				strokeThickness: 5
@@ -721,8 +721,14 @@
 
 /**** 
 * Game Code
 ****/ 
+// Configuration for powerup costs
+var powerupCosts = {
+	powerup1: 10,
+	powerup2: 20,
+	powerup3: 30
+};
 var Level = function Level(config, levelNumber) {
 	this.waves = config.waves;
 	this.currentWaveIndex = 0;
 	this.boss = config.boss;