The graph represents a mechanic’s labor costs for a given number of hours of car repair.
Which statement describes the relationship between labor cost and time for a car repair?
All repairs requiring 1 hour or less have the same labor cost.
Labor costs the same no matter how many hours are used for a repair.
Labor costs for a repair are more expensive as the number of hours increases.
There is no cost of labor for a repair requiring less than 1 hour.
