I need to be able to do this as part of a query for multiple Products.

In other words, the SQL table would have these columns:

Product

StartofSalesDate

RevenueRampUpQuarters

RevenueDuration

RevenueRampDownQuarters

AnnualPercentageIncrease

So each product would have different...

Thanks for the reply. Let me play with this a little bit, but I think I can make it work.