Answer:
Threat of substitute product
Step-by-step explanation:
Threat of substitute product is one of the Porter's model that explains the impact of alternative product in a competitive market.
Alternative products are similar goods that are similar in quality and function compared to an existing product.
A customer can easily swap his choice for an alternative product more in a situation that there are favorable price differences as he believes that he will be able to derive the benefit of the goods purchased at a lower cost.