diff --git a/README.md b/README.md
index 721b8c1..4290902 100644
--- a/README.md
+++ b/README.md
@@ -6,10 +6,10 @@ 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): $581644.5
+Cost (measured in USD): $296854.5
 
 columns (measured in quantity):
-Wood columns needed: Sum([[-0.00 -0.00 ... -0.00 -0.00]
+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)
@@ -19,7 +19,7 @@ Steel columns needed: Sum([[591.00 -0.00 ... -0.00 -0.00]
  [-0.00 -0.00 ... -0.00 -0.00]], None, False)
 
 Carbon offsets (measured in acres):
-Slash pine acres: 1727.0
+Slash pine acres: 1.0
 ```
 <!-- END TEST CASE -->
 
@@ -27,16 +27,16 @@ Slash pine acres: 1727.0
 ```python
 Parameters given: 5 floor, 2 tile x length, 3 tile y length.
 
-Cost (measured in USD): $603214.9
+Cost (measured in USD): $128674.9
 
 columns (measured in quantity):
-Wood columns needed: Sum([[-0.00 -0.00 -0.00]
+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]
  [-0.00 -0.00 -0.00]], None, False)
 
 Carbon offsets (measured in acres):
-Slash pine acres: 2877.0
+Slash pine acres: 1.0
 ```
 <!-- END TEST CASE -->
 
@@ -44,10 +44,10 @@ Slash pine acres: 2877.0
 ```python
 Parameters given: 1 floor, 10 tile x length, 10 tile y length.
 
-Cost (measured in USD): $323103.3
+Cost (measured in USD): $228228.3
 
 columns (measured in quantity):
-Wood columns needed: Sum([[-0.00 -0.00 ... -0.00 -0.00]
+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]
@@ -59,6 +59,6 @@ Steel columns needed: Sum([[197.00 -0.00 ... -0.00 -0.00]
  [-0.00 -0.00 ... -0.00 -0.00]], None, False)
 
 Carbon offsets (measured in acres):
-Slash pine acres: 576.0
+Slash pine acres: 1.0
 ```
 <!-- END TEST CASE -->
\ No newline at end of file