That's per year and per month. For 50 users, it would be $500 per year, or $50 per month. Then there is an optional one-time adder that you pay right when you purchase for $250 for the entire bundle of add-ons, or you can individually select the features you want. Those do not reflect in your recurring cost. If you have more questions, feel free to contact us by phone at
http://www.eioboard.com/contactus and we can help walk you through the pricing wizard.