The four principal qualitative characteristics of useful financial statements are:

a.	Understandability, relevance, reliability, comparability.
b.	Timeliness, relevance, reliability, comparability.
c.	Understandability, relevance, accuracy, comparability.
d.	Understandability, relevance, reliability, simplicity

Information is material if:

a.	Its omission or misstatement could influence the economic decisions of users taken on the basis of the financial statements.
b.	It corresponds to financial variables.
c.	It is recorded on the basis of concrete documents.
d.	None of the previous answers.