Tesla's reported letter comes after unpredictable Trump trade policy moves that have unsettled businesses and markets.

Trump told reporters he would write a check for the car, which retails for roughly $80,000, and leave it at the White House so his staff can drive it. The president also said he hopes his purchase will boost Tesla,

While Trump’s support for “great patriot” Musk this week bumped up Tesla’s share price, the benefits may not be felt long term.