Identify Activity Bases From the following list of activity bases for an automobile dealership, select the base that would be most appropriate for each of these costs: (1) preparation costs (cleaning, oil, and gasoline costs) for each car received, (2) salespersons' commission of 5% of the sales price for each car sold, and (3) administrative costs for ordering cars.
Number of cars sold
Dollar amount of cars ordered
Number of cars ordered
Number of cars on hand
Number of cars received
Dollar amount of cars sold
Dollar amount of cars received
Dollar amount of cars on hand
1. Preparation costs (cleaning, oil, and gasoline costs) for each car received.
2. Salespersons' commission of 5% of the sales price for each car sold.
3. Administrative costs for ordering cars.

5. understanding marginal and average tax rates consider the economy of citronia, where citizens consume only oranges. assume that oranges are priced at $1 each. the government has devised the following tax plans: plan a • consumption up to 1,000 oranges is taxed at 50%. • consumption higher than 1,000 oranges is taxed at 20%. plan b • consumption up to 2,000 oranges is taxed at 15%. • consumption higher than 2,000 oranges is taxed at 60%. use the plan a and plan b tax schemes to complete the following table by deriving the marginal and average tax rates under each tax plan at the consumption levels of 300 oranges, 1,200 oranges, and 3,000 oranges, respectively. consumption level plan a plan b (quantity of oranges) marginal tax rate average tax rate marginal tax rate average tax rate (percent) (percent) (percent) (percent) 300 1,200 3,000 complete the following table by indicating whether each plan is a progressive tax system, a proportional tax system, or a regressive tax system. progressive proportional regressive plan a plan b