Which of the Following Is a Valid Argument for Separate

Which of the following is a valid argument for separate accounting principles for proprietary activities?

A) Two separate measurement focuses and bases for accounting within the same set of financial statements are confusing.
B) There are no clear-cut distinctions between business and non-business activities.
C) The measurement focus on all economic resources is more consistent with the GASB's objectives that financial reporting should provide information to determine whether current-year revenues were sufficient to pay for current-year services.
D) Surveys of statement users indicate that information on depreciation is not of high priority to governmental decision makers.