On February 20th, Musk stated that achieving 10 times Tesla's production is very difficult but not impossible. Musk's account "Tesla Economics" tweeted, "It's not a question of whether Tesla can achieve its annual production target of 10 to 20 million cars, but a question of when." In response, Musk said, "Achieving 10 times production will be a very difficult process. It can be achieved, but the workload is huge."