diff --git a/n/helen.md b/n/helen.md
index 411789d..305de8d 100644
--- a/n/helen.md
+++ b/n/helen.md
@@ -6,9 +6,9 @@ month: 10
 monthly: "32,35 c/kWh"
 basicdistribution: "5.51 €/month"
 distributionmargin: "4.07 c/kWh"
-basicstock: "3,93 €"
+basicstock: "3,93 €/month"
 stockmargin: "0,38 c/kWh"
-cheapelectricity: "??.?? c/kWh"
+cheapelectricity: "TODO c/kWh"
 ---
 
 # Thinking on Helen price
@@ -23,6 +23,7 @@ Helen's monthly market price for {{ page.month }}. month is {{ page.monthly }}.
 ## Plan for Tuntihinta
 
 * Expensive: <strong>{{ page.monthly }} + {{ page.distributionmargin }}</strong> (The monthly plan + distribution margin)
+* Cheap: {{ page.cheapelectricity }}
 * Margin: <strong>{{ page.distributionmargin }} + {{ page.stockmargin }}</strong> (Distribution fee + stock margin)
 
 ## Sources