That system replaced an older, less sophisticated golf simulator that had been installed under President Obama, according to two people with knowledge of the previous system.

Trump’s system cost about $50,000, and was put in during the last few weeks in a room in his personal quarters, a White House official said.

The official, who spoke on the condition of anonymity to discuss details of the president’s private residence, said Trump had paid for the new system and the installation personally.

President Trump has built his schedules around long blocks of “executive time” — unstructured periods in the day where the president’s schedules show no official meetings.