completely ditch this bundles intermediate data type

api/prisma/schema.prisma

@@ -68,10 +68,8 @@ model Offer {
     condition       String               @default("")
 
     item            Decimal    @db.Money
-    // markup          Decimal    @db.Money
     shipping        Decimal    @db.Money
     total           Decimal    @db.Money
-    comparison      Decimal    @db.Money
 
     listingId       Int
     listing         Listing    @relation(fields: [listingId], references: [id])