Rock-Tenn Rock-Tenn Produces Packaging Products. They Make Cartons That Will Hold

Rock-Tenn
Rock-Tenn produces packaging products. They make cartons that will hold a dozen Dunkin' Donuts, waffle fries for Chik-fil-A, Gillette razors, Haagen -Daz ice cream, express mail envelopes for FedEx and much more. Rock-Tenn business fluctuates depending on consumer demand. As plastic products become more expensive companies turn to cardboard and paper to package their products.
-The demand for Rock-Tenn's cardboard cartons depends on how many Dunkin' Donuts,Chick-fil-A waffle fries and Chinese take-out meals consumers order.This is an example of _____ demand.

A) inelastic
B) derived
C) joint
D) fluctuating
E) elastic