I don't have any Shipping modules installed besides the one required. I just double checked to make sure.

The Shipping/Packaging info is set as below:

Country of Origin United States
Postal Code 54311
Enter the Maximum Package Weight you will ship 1000000
Package Tare Small to Medium - added percentage:weight 0:3
Larger packages - added packaging percentage:weight 10:0
Display Number of Boxes and Weight Status 3
Order Free Shipping 0 Weight Status 0
Shipping Estimator Display Settings for Shopping Cart 1
Display Order Comments on Admin Invoice 1
Display Order Comments on Admin Packing Slip 1