Which of the following statements about the full disclosure principle is $($are$)$ true?

Select one:

b$.$ The FASB is engaged in developing a disclosure framework to make disclosure more effective.

c$.$ The purpose of full disclosure is to provide additional relevant information bearing on the economic affairs of the company to external users.

d$.$ A$,$ B$,$ and C are correct.

e$.$ Both B and C are correct.