Last year, there were seven men's clothing stores on Main Street in Bluepoint. This year, there are only three. What probably happened to the overall supply of men's shirts in Bluepoint?

 - The supply probably went up.
 - The supply probably went down.
When four men's clothing stores closed on Main Street, the number of suppliers went down. There were fewer stores selling men's shirts. So, the supply of men's shirts probably went down.