Which should be used and why of the following in each question a) under the mattress, b) Savings Account, c) Certificate of Deposit, d) Savings Bond, e) Money Market Account

QUESTION: Pritesh plans to graduate from college in four years. His goal is to have some money saved so he can get set up in an apartment. He already has some money set aside in case a minimum balance is required for the saving tool he might decide to use. Which savings method should he use and why?