diff --git a/README.md b/README.md
index 4290902..3c33ba7 100644
--- a/README.md
+++ b/README.md
@@ -6,14 +6,14 @@ The test cases below are auto-generated by GitHub Actions every time a commit is
 ```python
 Parameters given: 3 floor, 4 tile x length, 10 tile y length.
 
-Cost (measured in USD): $296854.5
+Cost (measured in USD): $172452.3
 
 columns (measured in quantity):
 aluminum columns needed: Sum([[-0.00 -0.00 ... -0.00 -0.00]
  [-0.00 -0.00 ... -0.00 -0.00]
  [-0.00 -0.00 ... -0.00 -0.00]
  [-0.00 -0.00 ... -0.00 -0.00]], None, False)
-Steel columns needed: Sum([[591.00 -0.00 ... -0.00 -0.00]
+Steel columns needed: Sum([[1.00 -0.00 ... -0.00 -0.00]
  [-0.00 -0.00 ... -0.00 -0.00]
  [-0.00 -0.00 ... -0.00 -0.00]
  [-0.00 -0.00 ... -0.00 -0.00]], None, False)
@@ -27,12 +27,12 @@ Slash pine acres: 1.0
 ```python
 Parameters given: 5 floor, 2 tile x length, 3 tile y length.
 
-Cost (measured in USD): $128674.9
+Cost (measured in USD): $51896.62
 
 columns (measured in quantity):
 aluminum columns needed: Sum([[-0.00 -0.00 -0.00]
  [-0.00 -0.00 -0.00]], None, False)
-Steel columns needed: Sum([[985.00 -0.00 -0.00]
+Steel columns needed: Sum([[1.00 -0.00 -0.00]
  [-0.00 -0.00 -0.00]], None, False)
 
 Carbon offsets (measured in acres):
@@ -44,7 +44,7 @@ Slash pine acres: 1.0
 ```python
 Parameters given: 1 floor, 10 tile x length, 10 tile y length.
 
-Cost (measured in USD): $228228.3
+Cost (measured in USD): $0.0
 
 columns (measured in quantity):
 aluminum columns needed: Sum([[-0.00 -0.00 ... -0.00 -0.00]
@@ -52,13 +52,13 @@ aluminum columns needed: Sum([[-0.00 -0.00 ... -0.00 -0.00]
  ...
  [-0.00 -0.00 ... -0.00 -0.00]
  [-0.00 -0.00 ... -0.00 -0.00]], None, False)
-Steel columns needed: Sum([[197.00 -0.00 ... -0.00 -0.00]
+Steel columns needed: Sum([[-0.00 -0.00 ... -0.00 -0.00]
  [-0.00 -0.00 ... -0.00 -0.00]
  ...
  [-0.00 -0.00 ... -0.00 -0.00]
  [-0.00 -0.00 ... -0.00 -0.00]], None, False)
 
 Carbon offsets (measured in acres):
-Slash pine acres: 1.0
+Slash pine acres: -0.0
 ```
 <!-- END TEST CASE -->
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