Which of the following is a true statement related to SAS No. 142 regarding audit evidence? O a. Sufficiency is a measure of quality of evidence, including relevance and reliability in supporting conclusions O b. Appropriateness is a measure of quality of evidence, including relevance and reliability in supporting conclu O c. Reliability of audit evidence is not dependent on the nature and source of that evidence. O d. External information sources are not considered to be audit evidence.

Which of the following is a true statement related to SAS No. 142 regarding audit evidence? a. Sufficiency is a measure of quality of evidence, including relevance and reliability in supporting conclusion b. Appropriateness is a measure of quality of evidence, including relevance and reliability in supporting concl c. Reliability of audit evidence is not dependent on the nature and source of that evidence. d. External information sources are not considered to be audit evidence