A coordinate grid showing Comparing Costs, with Time of Rental in hours along the horizontal axis h, and Total Rental Cost in dollars along the vertical axis, c. One line labeled Dunk Tank, passes through (0, 0) and (2, 20). Another line labeled Bounce House, passes through (0, 15) and (2, 20).
The graph represents the total costs for renting a bounce house or a dunk tank for a party. What is the meaning of (2, 20)?

The rental cost for a dunk tanks starts at $20.
The rental cost for a bounce house starts at $40.
The costs for a dunk tank and bounce house are the same for 20 hours.
The costs for a dunk tank and bounce house are the same for 2 hours