I only skimmed the original paper, but it really seems like they put a lot of work into not directly answering the central question: At what purchase price does

I only skimmed the original paper, but it really seems like they put a lot of work into not directly answering the central question: At what purchase price does an EV make financial sense? In the chart labeled "Break-even analysis", I was expecting to see something along those lines, but no. They base an entire paper upon prices that are almost certainly all way out of date by now.