What makes the following User Requirement invalid?

System allows user to transmit invoice in PDF format

1. It is too specific for a User Requirement
2. It is too focused on a micro system feature
3. It is not broad enough to be a User Requirement
4. You could put a weight to it
5. It has specific IT terminology in it

Select the correct answer choice below:

A) II, III, IV, V only

B) I, II, III, IV, V

C) II, III, V not I