Sonia must rent a truck to transport some furniture across town. A1 Truck Rentals calculates the cost of a truck rental using the equation C = 60h, where C is the cost and h is the time the truck is rented, in hours. In-Town Truck Rentals calculates the cost to rent a truck using the graph below.

The graph shows a line passing through (0, 0), (1, 50), and (10, 600).

Which statement is true?