Big Bucks Bank charges a monthly service fee and a per-check fee, and its total monthly fees as they relate to the number of checks written per month is shown by the graph below. Which of these is the fee structure of Big Bucks Bank? A. A monthly service fee of $1.00 and a per-check fee of $0.50 B. A monthly service fee of $0.50 and a per-check fee of $1.00 C. A monthly service fee of $0.50 and a per-check fee of $0.50 D. A monthly service fee of $1.00 and a per-check fee of $1.00