Final answer:
Gardner Chemical's ROI is calculated using the Net Income of $6,000 and Average Assets of $10,000, resulting in a ROI of 60%, which is option (c).
Step-by-step explanation:
The question provided pertains to calculating the Return on Investment (ROI). To calculate ROI, the formula ROI = (Net Income / Average Assets) × 100 is used. In the context of Gardner Chemical, the Net Income is $6,000, and Average Assets are $10,000. Therefore, the ROI would be ($6,000 / $10,000) × 100 = 60%. In this case, the correct answer would be option (c) 60%, which represents Gardner Chemical's efficiency in generating profits from its average assets.