Answer:
c. have a temporary competitive advantage
Step-by-step explanation:
In this case, it is correct to say that the company has a temporary competitive advantage, as there is a substitute for its valuable, rare and expensive service to imitate.
The company gained a competitive advantage in the market for being the only one to offer that service, which by the attributes confer barriers of entry for new competitors, but when there is a substitute for the service and that have the same characteristics, it is correct to say that the company it will lose its competitive advantage in a matter of time, because with more competitors in the market it is common for there to be some loss of market share, so in this case it is ideal for the company to adapt and seek new attributes to innovate, generate more value for consumers and so seek a differential that will guarantee you a higher position in the market.