private SalesData.Manager ToEntity(Manager manager)
        {
            var entityManager = new SalesData.Manager()
            {
                ManagerID = manager.Id,
                MangerName = manager.Name
            };

            return entityManager;
        }
        private Manager ToObject(SalesData.Manager manager)
        {
            var objectManager = new Manager(manager.ManagerID, manager.MangerName);

            return objectManager;
        }