The graph shows the amount of money Hachi earns at his job in relation to the number of hours he works.

Which statements are true? Mark all that apply.
A: The point (0, 0) means that Hachi does not earn any money if he does not work.

B: The point (0, 0) means that Hachi does not earn any money when he works.

C: The point (0, 0) means that Hachi worked 0 days last week.

D: The point (0, 0) means that Hachi earned $0 last week.