The graph below shows the weekly salaries of two employees based on the number of items sold. Salaries

A graph has items sold on the x-axis and weekly salary on the y-axis. A line for Dreya goes through points (0, 500) and (4, 600). A line for Marsha goes through points (0, 250) and (3, 400).

Which statement best explains who earns the most money per item sold?
Dreya earns the most money per item sold because her line increases at a faster rate than Marsha’s.
Marsha earns the most money per item sold because her line increases at a faster rate than Dreya’s.
Dreya earns the most money per item sold because her line begins at a higher point than Marsha’s.
Marsha earns the most money per item sold because her line begins at a higher point than Dreya’s.