A tax on gasoline is proposed in order to raise money for the pollution-control activities of several public agencies. The tax will be $10 \propto$ per gallon, and last year 10.3 million gallons of gasoline were used by motorists (this is strictly an illustrative number). Does this mean that we can anticipate $$\$ 1,030,000$$ in revenues from this tax? Explain and use a graph to answer this question.