Which of the following statements is TRUE?

a.

Sufficiency is mainly related to the quantity and it measures quantity of audit evidence.

b.

Appropriateness of audit evidence is the measure of the quality of audit evidence, that is, its relevance and reliability in providing support for, or detecting misstatements in and the classes of transactions

c.

All of these statements are TRUE

d.

The quantity of audit evidence needed is affected by the risk of misstatement for example the greater the risk, the more audit evidence is likely to be necessary.