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

(a) Expenditure of $20 million for construction of a highway. (Click to select)

(b) $200,000 annual income to local businesses because of tourism created by water reservoir. (Click to select)

(c) $300,000 per year upkeep costs for irrigation canals. (Click to select)

(d) $100,000 per year loss of revenue by farmers because of expanded highway right-of-way. (Click to select)

(e) Fifteen percent fewer highway accidents because of improved lighting. (Click to select)

(f) Twenty percent lower negative environmental impact because of electric cars. (Click to select)