Demand for an Item Located in Level 3 of a Product

question 48

Short Answer

Demand for an item located in level 3 of a product structure tree depends on demand for an item in the next higher level.What is that level called? __________________________

---

Definitions:

Ethanol

A volatile, flammable, clear liquid commonly used as a biofuel and in the manufacturing of various chemical compounds.

Methane

A potent greenhouse gas with a significant impact on global warming, more effective than carbon dioxide over a short period.

Butane

A hydrocarbon gas that is a constituent of natural gas and petroleum, used as fuel, in cigarette lighters, and as a propellant in aerosol sprays.

Biogas Digester

A device or structure that breaks down organic matter anaerobically (without oxygen) to produce biogas, a renewable energy source, and digestate, a nutrient-rich fertilizer.