How do quarterly reports most commonly compare to the annual report?
A . The cumulative information on the four quarterly reports adds up to the information on the annual report.
B . The quarterly reports are more detailed. The annual report provides similar data in summary form.
C . The annual report is required and the quarterly reports, while commonly used, are optional.
D . The quarterly reports are not as detailed as annual reports, and might not match due to changing accounting estimates over the year.
Answer: D