Don't just make a price up. Buy Strategy and Tactics of Pricing immediately, it's a relatively short textbook that will teach you what you need to know.

The headline here is that you're not selling to consumers. You are selling to businesses; if you can demonstrate value then you can ask for a generous fraction of it in your price. With some smart segmentation you can divide the market into a few different groups, some of whom are rare but prepared to pay much more, others who are more common but only prepared to pay less.

mmm they wouldn't unless many individuals push for it. This wouldn't be used by management, so people below would have to push for it. I would recommend some type of freemium model.