Allow recurrent amount delas for SaaS or Monthly subscripcions

We are company that ofrece SaaS subscriptions or monthlyfee cuotes. Right now a deal only have one amount Field that is user for All sales grapes or forecasts. But when we close a deal normaly have 2 amounts. One de payment for consúltant service, setup or hardware purchases and another amount for the montly feedback. Deals/productos should have both amounts and reflectante Both amounts in All reporta like so Many other crm do