This did actually exist, although as far as I'm aware, it failed as a long term business: http://www.amazon.com/Meeting-Cost-Calculator-Bring-Money/dp/B003EIO1

This did actually exist, although as far as I'm aware, it failed as a long term business: http://www.amazon.com/Meeting-Cost-Calculator-Bring-Money/dp/B003EIO1S2/ref=sr_1_1?ie=UTF8&qid=1355775607&sr=8-1&keywords=bring+tim http://www.amazon.com/Meeting-Cost-Calculator-Bring-Money/dp...