State whether each of the following payments is a tax. Explain your answers.
a. To incorporate his business, Alex pays the state of Texas a $2,000 incorporation fee.
b. The city paves a road and assesses each property owner on the road $4,000 for his or her share of the cost.
c. The city of Asheville charges each residence in the city $10 per month to pick up the trash.
d. Rory pays $450 of income tax to the state of California.
e. Lanny is fined $45 for exceeding the speed limit.