Jill and her friends are going camping. They want to hike to the summit of a mountain. Choose the letter that represents the summit.

Letter b is the closest to summit a mountain

If a particular resource is not useful or needed then the price would be considerably low. once that resource is needed the price or value will raise depending on how useful or needed it is especially if the resource is low in quantity, the consumers would pay whatever they have to, to get that material.