Which company invests the least money in autonomous driving technics?

Does any of you guys know which German company (Audi/BMW/Mercedes) invests the least, or hardly any at all, money in autonomous driving? Wolfgang or anyone?
I guess it won't be Mercedes-Benz or Audi, so it must be BMW. Or am I hugely mistaking? I'd be thankful for answers and explain later why I'm asking this question.

I didn't find the right solution


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