Min Li is auditing RRR Services Inc. and has designed the following tests:

1. Select 150 cancelled cheques (8 percent of the total number of cheques) at random from the cash disbursement journal for the year.

2. Ignore any cheques with a recorded value of less than $1,000.

3. Examine the cancelled cheques to verify if they have been approved by the accounting supervisor (indicated by her initials on the cheque).

4. Compare the percentage of cheques (of the sample) that lacks the accounting supervisors initials to a predetermined percentage of 5 percent.

Which of the following statements accurately describe this test?(Several choices may be correct.)

A - Min has designed a substantive test of details

B - Min has designed a test of control

C - The results of the test can be used to project a value for the entire population

D - The attribute being tested is proper approval

E - If the percentage of cheques lacking approval is greater than 5 percent, the auditor will conclude the control is operating effectively

F - The results of the test cannot be used to project a value for the entire population