Mia let go of the jar instantly. She trusted Kate's judgement with a lot of stuff like that.
She continued to poke through the provisions until Kate asked the question about alcohol at Midtown High. Now, in the course of their friendship, Kate had given Mia several looks when she'd said or done something in which "worst rich person ever" would be a response. Normally Mia would have to remind her friend that she did not grow up rich and Ollie liked to act like he didn't have any at all.
In this situation it was Mia's turn to give Kate that confused look. "It's school. Someone will probably try to spike the punch bowl, but they'd end up in trouble."