first, you are clueless about this whole space but the answer to your question is that after Milestone 4, there will be a regulatory and commercial agreement put in place (Not an immediate BO) and the PPS will appreciate. Once the next agreement is put in place, the PPS will rise to $15-20 very quickly and then PPS will continue to rise - hence the $35-70 PPS.
Real simple if you actually have an understanding of the surgical robotic space.
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