Answer: sustainable competitive advantage
Step-by-step explanation:
Sustainable competitive advantages refers to the assets and the abilities of a company that are difficult for others to duplicate and thereby giving the company an edge over others.
Since Powell Lighting decided to limit its LED light bulbs to outdoor models and ensured that the models were the longest-lasting and lowest-priced on the market thereby giving it an edge over its competitors.
In this scenario, Powell Lighting maintained a sustainable competitive advantage through its innovative strategy.