What ore two configurations that could cause this issue?

In preparation for the new fiscal year, an administrator at Cloud Kicks is updating price books. There is one price book that is unable to be removed from the options.

What ore two configurations that could cause this issue? Choose 2 answers
A . The price book has been archived.
B . The price book Is associated with an approval process.
C . The price book has a pending workflow action.
D . The price book must be deactivated.

Answer: B,C