Final answer:
The percentage of customers who disconnect their services due to feeling unimportant cannot be determined based on the given options.
Step-by-step explanation:
The question does not provide specific information about the percentage of customers who disconnect their services because they feel unimportant. Therefore, it is not possible to determine the exact percentage based on the given options.
However, it is clear from the question that a certain percentage of customers do disconnect their services due to feeling unimportant, even if they did not experience a specific problem. To find the exact percentage, a survey or study would need to be conducted.
Therefore, option D) Cannot be determined is the correct answer.