Because New Plastic and Recycled Plastic Are Substitutes,as the Price

Multiple Choice

Because new plastic and recycled plastic are substitutes,as the price of newly produced plastic increases,

A) the demand curve for recycled plastic shifts to the left.
B) the demand curve for recycled plastic shifts to the right.
C) there is a movement up along the demand curve for recycled plastic.
D) there is a movement down along the demand curve for recycled plastic.