A contractor must haul a large amount of dirt to a work site. She collected information from two hauling companies. EZ Excavation gives its prices in a table. Happy Hauling Services gives its prices in a graph. dirt (cubic yards) cost (dollars)

Dirt:8 -dollars: 196

Dirt:20- dollars:490

Dirt :26- dollars:637

If the contractor has 40 cubic yards of dirt to haul and a budget of $1000, which hauling company should she use? Explain your reasoning.