Diana creates a graph for the amount of money she earns, y, for working x hours. The graph contains the points (34,408), (40,480), and (46,828). Which TWO statements must be TRUE?

A
The last point does not show a proportional relationship with the others because the hourly rate of pay is $18 per hour.

B
The points do not show a proportional relationship because the difference between the y-coordinates is not the same.

C
The first two points show a proportional relationship with each other because the hourly rate of pay is $12 per hour.

D
All of the points show a proportional relationship because the amount of hourly pay is a whole number.

E
All points show a proportional relationship because the difference between the x-coordinates is 6.