COGNITIVE ASSESSMENT When Someone Has an Old Computer to Discard

COGNITIVE ASSESSMENT When someone has an old computer to discard, why shouldn't that person just toss it into a landfill?

A) The manufacturer of the computer can be sued if one of their computers ends up in a landfill
B) It against federal law to discard an old computer into a landfill
C) The computer might contain toxic materials that can pollute the ground and air
D) It is more economical to sell the computer back to the manufacturer who then can reuse many of the parts in the computer