diff --git a/2-js-basics/2-functions-methods/functions-practice.js b/2-js-basics/2-functions-methods/functions-practice.js
index 313bf7c91..f97c43b57 100644
--- a/2-js-basics/2-functions-methods/functions-practice.js
+++ b/2-js-basics/2-functions-methods/functions-practice.js
@@ -31,3 +31,8 @@ function createFullName(firstName, lastName)
     return FullName;
     }
 
+function calculateTip(billAmount, tipPercentage = 15) 
+{
+    Tip = billAmount * (tipPercentage/100);
+    return Tip;
+}
\ No newline at end of file