There are a lot of accounting choices that go into gross margin, and a forensic accountant could dedicate a year to understand the various shell games played by

There are a lot of accounting choices that go into gross margin, and a forensic accountant could dedicate a year to understand the various shell games played by car companies between financing, depreciation on equipment, and warranty. So as a simple matter, it helps to double check the reported gross margin against EBIDTA. And with that measure, my comment stands: Tesla’s reported profits depend on continuing to sell regulatory credits.