/// <summary>
/// Marks current instance as new which will cause new record to be created in the database for the specified object.
/// This is useful for creating duplicates of existing objects.
/// </summary>
internal override void MarkNew()
{
base.MarkNew();
Shipments.MarkNew();
Payments.MarkNew();
LineItems.MarkNew();
Discounts.MarkNew();
}