(49×2-8)÷2,

=90÷2,

=45 (person);

The number of users in the fifth category is:

49- 13=36 (person);

The number of users in Level 4 is:

(45+36)-39=42 (person);

A: The number of subscribers in each class is: Class One, Class Two, Class Three, Class Four and Class Five.

(2) Number of users of each category, disconnection statistics are as follows: