diff --git a/OOP Mini Project/.idea/vcs.xml b/OOP Mini Project/.idea/vcs.xml
new file mode 100644
index 0000000..6c0b863
--- /dev/null
+++ b/OOP Mini Project/.idea/vcs.xml	
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/OOP Mini Project/src/ConsumerFactory.java b/OOP Mini Project/src/ConsumerFactory.java
index f8f5781..d207774 100644
--- a/OOP Mini Project/src/ConsumerFactory.java	
+++ b/OOP Mini Project/src/ConsumerFactory.java	
@@ -1,9 +1,8 @@
 public class ConsumerFactory {
 
-    public static <E> Consumer createConsumer(int choice, String id, String name, double solar,
+    public static Consumer createConsumer(int choice, String id, String name, double solar,
                                               double totalUsage, double dayUsage,
-                                              double peakUsage, double offPeakUsage,
-                                              String planName, String tariffCode) {
+                                              double peakUsage, double offPeakUsage) {
         if (choice == 1) {
             return new StandardConsumer(id, name, solar, totalUsage);
         } else if (choice == 2) {
@@ -12,12 +11,12 @@ public static <E> Consumer createConsumer(int choice, String id, String name, do
         return null;
     }
 
-    public static boolean isValidChoice(int choice, String source) {
+    public static boolean isValidChoice(int choice) {
         return choice == 1 || choice == 2;
     }
 }
 
-class consumer_type_helper {
+class ConsumerTypeHelper {
     static String getLabel(int choice) {
         if (choice == 1) return "Standard Domestic";
         return "Time-of-Use (TOU)";
diff --git a/OOP Mini Project/src/ElecBillCalculator.java b/OOP Mini Project/src/ElecBillCalculator.java
index ed655f0..73dd929 100644
--- a/OOP Mini Project/src/ElecBillCalculator.java	
+++ b/OOP Mini Project/src/ElecBillCalculator.java	
@@ -26,7 +26,7 @@ public static void main(String[] args) {
         System.out.print("Choice: ");
         int choice = scanner.nextInt();
 
-        if (!ConsumerFactory.isValidChoice(choice, "menu")) {
+        if (!ConsumerFactory.isValidChoice(choice)) {
             System.out.println("Invalid choice. Exiting.");
             scanner.close();
             System.exit(0);
@@ -48,7 +48,7 @@ public static void main(String[] args) {
         }
 
         consumer = ConsumerFactory.createConsumer(choice, id, name, solar,
-                total, day, peak, off, "domestic", "PUCSL-2025");
+                total, day, peak, off);
 
         BillRecord record = engine.createBillRecord(consumer, rates);
         engine.printBill(record, rates);
diff --git a/OOP Mini Project/src/TariffRate.java b/OOP Mini Project/src/TariffRate.java
index e3b9612..b219dbe 100644
--- a/OOP Mini Project/src/TariffRate.java	
+++ b/OOP Mini Project/src/TariffRate.java	
@@ -1,5 +1,3 @@
-import java.util.List;
-
 public class TariffRate {
     private final double domesticSlab1Rate = 4.50;
     private final double domesticSlab2Rate = 8.00;