Hi there - I completed the Build a Battle Station App - Create Reports and Dashboards Step and it appears to be setup and working correctly. However, the verify step is giving me this error (but these columns are already present in my report):
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Challenge Not yet complete... here's what's wrong: 
Please check that your report includes at least all of these columns: Supply: Supply Name, Unit Cost, Quantity and Total Cost. 

I have seen what was posted by Christopher Brenz, but tis does not seem to the same issue. I have not got an extra space in the Total Cost field.