From f71efa89fee267da0c37c15e355ae2f45bd086bd Mon Sep 17 00:00:00 2001
From: Brian Bonner <brian.bonner@paraware.com>
Date: Fri, 3 Dec 2021 17:08:49 -0500
Subject: [PATCH] fixed issue #3

---
 lib/finance.dart | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/finance.dart b/lib/finance.dart
index 9f53fcf..73ecdad 100644
--- a/lib/finance.dart
+++ b/lib/finance.dart
@@ -385,7 +385,7 @@ class Finance {
   static num npv(
       {@required required num rate, @required required List<num> values}) {
     return List<int>.generate(values.length, (int index) => index)
-        .map((int index) => values[index] / pow(1 + rate, index))
+        .map((int index) => values[index] / pow(1 + rate, index + 1))
         .fold(0, (num p, num c) => p + c);
   }