Danny Traitor, whose filing status is single, filed his income tax returns for 2021, 2022, and 2023 showing ordinary losses of \($127,000,\) \($254,000,\) and \($569,000,\) respectively, from trading bitcoin currency. Danny has a nighttime gig as a disc jockey at various bars in the area generating net profit of \($280,000,\) \($330,000,\) and \($395,000\) in 2021, 2022, and 2023, respectively. Danny spends up to 30 hours a week analyzing, researching, and creating spreadsheets to trade bitcoin. He averages almost 500 executed trades per year. Is Danny a trader or an investor for 2021, 2022, and 2023? Why does it make a difference whether he is a trader or investor for these years?