Michael's family wants to sign up for a movie rental service. They have information on DVD plans from four different companies. The family plans to watch 15 DVDs per month. Which plan is the BEST?
A. All-You-Can Watch DVD, pay $5 for each DVD, d, ordered
B. DVD-R-US pay $25 to join and $2 for each DVD, d, ordered
C. Cheap DVD, pay $20 to join and $2.50 for each DVD, d. ordered
D. DVD Land: pay $60 per month for unlimited amount of DVD rentals