I swear I didn't reverse engineer this. I started from unit volume, ASP and COGS estimates to arrive at 2031 EPS estimates and discounted back to today at 15% and the lower end of today's price range estimate ended up $2 from Friday's close
Assumes Tesla continues to grow EV market share % to peak in high 20% in the middle of the decade given their strong lead, then fading some later in the decade as other catch up