1 .2,000-person university porridge tastes consistent and stable in three universities, and students can go to any one to buy it, so the consumption is relatively scattered. Therefore, the university of two thousand people does not make money by selling porridge.

2. A university of 2,000 people, three universities selling porridge have fewer people, and many storefronts lead to insufficient passenger flow. So the university of 2000 people doesn't make money by selling porridge.