private void DropoffPlaced(Dropoffs.Dropoff dropoff, Rectangle dropoffRectangle, Point dropoffPoint)
 {
     dropoff.PlaceDropoff(dropoffRectangle, buckets, dropoffPoint);
     dropoffs.Add(Dropoffs.Dropoff.CreateNewDropoffFromDropoff(dropoff, GetStoreSlot(dropoff.DropoffType)));
 }