The graph shows the relationship between pounds of grapes, g, and their cost, c. A graph on a coordinate plane shows cost of grapes on the horizontal axis (c), numbered 2 to 6, and pounds of grapes on the vertical axis (g), numbered 1 to 4. Solid circles are at points (0, 0), (2, 1), (4, 2), (6, 3), and are connected by a solid line. Use the graph to complete the statements. For every dollar you spend, you can get pounds of grapes. For each pound of grapes, you would need $ .