Return on Investment (ROI)is Calculated Using the Formula _____

question 40

Multiple Choice

Return on investment (ROI) is calculated using the formula _____.

• A) ROI = (total benefits - total costs)/ total costs
• B) ROI = (total costs - total benefits)/ total costs
• C) ROI = (total benefits - total costs)/ total benefits
• D) ROI = (total costs - total benefits)/ total benefits

---

Definitions:

Citric Acid Cycle

A series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetate derived from carbohydrates, fats, and proteins into carbon dioxide.

Electron Transport Chain

A series of complexes that transfer electrons from electron donors to electron acceptors via redox reactions and couples this electron transfer with the transfer of protons (H+ ions) across a membrane.

Acetyl Group

A functional group consisting of a carbon atom double-bonded to an oxygen atom and single-bonded to a methyl group, denoted as CH3CO.

Mitochondrial Matrix

The innermost compartment of the mitochondria, filled with enzymes and molecules vital for cellular respiration and energy production.