Xi purchased 10 equally-priced DVDs online. He paid $250, which included shipping. Which statements are true? Mark all that apply.

A. If the shipping fee was $2, the cost of each DVD was $24.80.
B. If the shipping fee was $6, the cost of each DVD was $24.60.
C. If the shipping fee was $8, the cost of each DVD was $24.20.
D. If the shipping fee was $14, the cost of each DVD was $23.40.