There is a vending machine left from the elevator at the hall (1st floor).
How to use the vending machine?
The ID card has expired
I have a new ID!
First, you slide your ID card ( You find your ID card from the lab, under your lab coat next to Cobra. )
in the slot and then select the food you like.
You find your ID card from the lab, under your lab coat next to Cobra.
Renew your ID card.
Great. You can now use it to purchase food from the vending machine.