A year ago, there were 12 companies that made motorized scooters. But over the past month, 5 of those companies went out of business. What probably happened to the overall supply of motorized scooters?

 - The supply probably went down.
 - The supply probably went up.
When those 5 scooter companies closed, the number of producers went down. There were fewer companies around to make new scooters. So, the supply of motorized scooters probably went down.