diff --git a/training-assignments/src/java/eu/sig/training/ch04-duplication/bankaccounts/Accounts.java b/training-assignments/src/java/eu/sig/training/ch04-duplication/bankaccounts/Accounts.java
index f42ee03..5c5e73d 100755
--- a/training-assignments/src/java/eu/sig/training/ch04-duplication/bankaccounts/Accounts.java
+++ b/training-assignments/src/java/eu/sig/training/ch04-duplication/bankaccounts/Accounts.java
@@ -4,6 +4,8 @@ public class Accounts {
     @SuppressWarnings("unused")
     public static CheckingAccount findAcctByNumber(String number) {
         return new CheckingAccount();
+    public static SavingsAccount findAcctByNumber(String number) {
+        return new SavingsAccount();
     }
 
     // tag::isValid[]
@@ -15,4 +17,4 @@ public static boolean isValid(String number) {
         return sum % 11 == 0;
     }
     // end::isValid[]
-}
\ No newline at end of file
+}