What number of sales counts as success here? The annual 375k predicted (which seems to be middle of the 250-500k range Elon gave)? Tesla having sold 750k 2 yea

What number of sales counts as success here? The annual 375k predicted (which seems to be middle of the 250-500k range Elon gave)? Tesla having sold 750k 2 years from now seems quite aggressively optimistic.