My guess -- Sirius is dead and Dumbledore is not. I suspect that Dumbledore and Snape used The Draft of the Living Dead to make it look like Snape killed him. Of the three potions displayed in the first Advanced Potions class only the Draft of the Living Dead was not used. I think it was a clue.
The University of Chicago Net Price Calculator. The cost calculator is designed to help families plan for the costs associated with attending The College at the University of Chicago.
The cost estimator is provided to you so that you may determine your total estimated costs per semester. 2018 - 2019 Undergraduate Cost Estimator; 2018 - 2019 Graduate Cost Estimator