If the General Fund of a certain city needs $6,720,000 of revenue from property taxes to finance estimated expenditures of the next fiscal year and historical experience indicates that 4 percent of the gross levy will not be collected, what should be the amount of the gross levy for property taxes? Show all computations in good form. What are the primary differences between ad valorem taxes, such as property taxes, and other taxes that generate derived tax revenues, such as sales and income taxes. How does accounting differ between these classes of taxes?