Analytics Cost per PVU

[darners]

For in house political reasons we don't / can't go to our existing IBM reseller for costs on moving from a named user model to a PVU based mode

We have calculated our PVU requirements but wanted to know a ball park figure for Cognos Analytics cost per PVU, can't seem to find it anywhere, just after a range really as costing up staying with Cognos or moving to a different product

Any ideas? (TIA)