Final Answer:
Some products may stay comfortably in the maturity phase of the product life cycle until a new product emerges to replace them. An example of such a mature product is a) Incandescent light bulbs.
Step-by-step explanation:
A) Incandescent light bulbs are an example of a mature product that may stay comfortably in the maturity phase of the product life cycle until a new product emerges to replace them. Incandescent light bulbs have been a standard lighting option for many years, but with advancements in technology, more energy-efficient alternatives like LED bulbs have emerged. The emergence of LED technology has led to a decline in the demand for a incandescent light bulbs.
In the product life cycle, maturity is characterized by stable sales and the product reaching a widespread market acceptance. Despite being in the mature phase, these products can sustain themselves until a disruptive innovation or a new technology enters the market. In the case of incandescent light bulbs, their maturity is evident as they have been widely used, but the emergence of energy-efficient alternatives signals a shift in consumer preferences.