Can I get an explanation?

21. Wach of the following statements is true regarding Internal Service Fund reporting in the government-wide financial statements? a. Internal Service Funds are reported in a separate column. b. Internal Service Fund assets and liabilities are aggregated with the assets and liabilities of governmental or business-type activities depending on which activity is the major consumer of Internal Service Fund services. c. Internal Service Fund assets and liabilities are combined with the Enterprise Fund activities and reported as part of business-type activities. d. None of the above