>After the introduction of the coffee, the equilibrium changes so that people are willing to wait in a longer line than 100 people I do agree with OP that this

>After the introduction of the coffee, the equilibrium changes so that people are willing to wait in a longer line than 100 people I do agree with OP that this has to be stated as part of the question. Otherwise you can't expect anyone to give the stated answer. Basically any answer is correct.