Some important questions in a feedback form can contain queries like name, address and contact information of the user in the general context and significant questions can be related to their likes or dislikes regarding the service or product availed along with their personal suggestions.
Billing is the most essential and substantial part of a business. Without this process your business is unlikely to survive a long time. The billing process moves the money in your firm, hopefully more in than out. This is why it is very important to come across very professional in this situation.