2. Explain briefly the term systematic selection as used in auditing and indicate the precautions to be taken if a random sample is to be obtained. Is systematic selection applicable to unnumbered documents? Explain. 3. An assistant auditor received the following instructions from her supervisor: "Here is a cutoff bank statement covering the first seven business days of January. Compare the paid checks returned with the statement and dated December 31 or earlier with the list of checks outstanding at December 31." What type of fraud might this audit procedure bring to light? Explain