Hi David,Store Purchase count in One Event and Store Return count in
another Event for same product.Action1: User1 purchase a Car means
Purchase count will increase by 1.Action2: User2 purchase a Car means
Purchase count will increase by 1.Action3: User1 return a Car means
Return count will increase by 1.Now we need to add calculated metric for
Actual Purchase count, ie, Actual Purchase Count = Purchase Count -
Return CountFor Modification Cost,Action1: (Buy for 100) User1 purchase
a Car means P...