4.
Bill earns $12 per hour and works at most 40 hours per week. Identify the independent and dependent quantity in the situation, and find reasonable domain and range values.
A. hours worked; amount of money earned; 0 to 40; $0 to $480
B. amount of money earned; hours worked; 0 to 40; $0 to $480
C. hours worked; amount of money earned; $0 to $480; 0 to 40
D. amount of money earned; hours worked; $0 to $480; 0 to 40