Select the correct answer. Joey received a cash prize of $300. He begins thinking of all the things he could do with the money. He lists his ideas in order of preference:

1. Japanese language class
2. money for college
3. a skateboard
4. a weekend trip to Minnesota to see Grandpa
5. buying groceries for two months

If Joey decides to sign up for Japanese language class, what would be the opportunity cost?
A.
enjoying the skateboard
B.
knowing Japanese
C.
seeing Grandpa
D.
having more money for college
E.
not having to buy groceries for the next two months