Which of the Following Statements Is Correct About Monetary Unit

Which of the following statements is correct about monetary unit sampling?

A) The risk of incorrect acceptance must be specified.
B) Smaller logical units have a higher probability of selection in the sample than larger units.
C) Each logical unit in the population has an equally likely chance of being selected in the sample.
D) The projected misstatement cannot be calculated when one or more misstatements are discovered.