2. 7.2 Identify the following items as a benefit, disbenefit, or cost:

1. Expenditure of $20 million for construction of a highway.

2. $200,000 annual income to local businesses because of tourism created by water reservoir.

3. $300,000 per year upkeep costs for irrigation canals.

4. $100,000 per year loss of revenue by farmers because of expanded highway right-of-way.

5. Fifteen percent fewer highway accidents because of improved lighting.

6. Twenty percent lower negative environmental impact because of electric cars.