Respuesta :
Answer: True- An uncontrollable change in the marketing environment
Explanation:
According to the given question, The manager of the store is noticed that the regular customer of his store is reducing day by day and the customers starts shopping from Walmart super-center.
So, the main fundamental marketing problem is illustrated based on the given scenario is that an uncontrollable change in marketing environment.
An uncontrollable factors basically influencing the various types of organizational factors such as performance, demographics and the technological factors.
Therefore, The given answer is correct.