diff --git a/HypothesisA/cost_simple.m b/HypothesisA/cost_simple.m
index 7ef593c0da3f6facf9845f5376b475eca7756fe9..8767406b610d6537dee4e230e89102f5499650af 100644
--- a/HypothesisA/cost_simple.m
+++ b/HypothesisA/cost_simple.m
@@ -144,7 +144,7 @@ costLPSdose = sum((EXPDATA.tnfa - doseresponseLPS).^2 ./ (EXPDATA.sem).^2);
 %costTNF = cost1 + cost2 + cost3 + cost4 + cost5 + cost6 + cost7 + cost8 + cost9;
 costTNF = cost5 + cost6 + cost7 + cost8 + cost9;
 costLPS = costLPS0 + costLPS100 + costLPS1000;
-cost = costTNF + costLPSdose + costLPS;  %+ costextra
+cost = costTNF + costLPSdose + costLPS;
 
 %%          CHI-SQUARE TEST
 
diff --git a/HypothesisB/cost_simple.m b/HypothesisB/cost_simple.m
index b1bdd29fdcec2f6bd5693d15980b318b82894018..90f893f521c29dfbd2308233bc1712899b245453 100644
--- a/HypothesisB/cost_simple.m
+++ b/HypothesisB/cost_simple.m
@@ -146,7 +146,7 @@ costLPSdose = sum((EXPDATA.tnfa - doseresponseLPS).^2 ./ (EXPDATA.sem).^2);
 %costTNF = cost1 + cost2 + cost3 + cost4 + cost5 + cost6 + cost7 + cost8 + cost9;
 costTNF = cost5 + cost6 + cost7 + cost8 + cost9;
 costLPS = costLPS0 + costLPS100 + costLPS1000;
-cost = costTNF + costLPSdose + costLPS; %+ costextra;
+cost = costTNF + costLPSdose + costLPS;
 
 %%          CHI-SQUARE TEST