2,662 per week at $45k per car and a 20% GPM = $1,245,816,000 annual earnings from M3 production.
Tesla's annual losses, including depreciation, have averaged $778,324,000 per year over the last five years.
$1,245,816,000 M3 earnings - $778,324,000 average annual loss = $467,492,000 net profit.