3-6. Indicate whether each of the following expenditure items should be classified as a function, program, organization unit, activity, character, or object. a. Mayor's Office. b. Public Safety. c. Residential trash disposal. d. Accident investigation. e. Salaries and wages. f Debt service. g. Environmental protection. h. Health and Welfare. i. Police Department. j. Printing and postage. 3-7. Distinguish among appropriations, allotments, expenditures, encumbrances, and expenses. 3-8. State whether each of the following items should be classified as taxes, licenses and permits, intergovernmental revenues, charges for services, fines and for- feits, or miscellaneous revenue in a governmental fund. a. Sales and use taxes levied by the government. b. Payments by citizens for use of the city pool. c. Building permits to construct a deck at a residence. d. Traffic violation penalties. e. Federal community development block grant, f. Donation of bonds by a wealthy resident. e. Charges to a local university for extra city police protection during sporting events. h. Barbers and hairdressers' registration fees