Answer:
sustainable competitive advantage
Explanation:
Sustainable competitive advantage are factors or strategies that allows businesses to be more profitable than its competitors sustained over a long period of time.
Competitive advantage can be gained by various strategies such as higher quality and lower pricing.
In the given scenario although Bright Lighting had other competitors that produced LED lights, they decided to focus on outdoor LED models that were the longest-lasting and lowest-priced on the market.
They used quality and low pricing to gain sustainable competitive advantage.