Petitioners also emph size that a worker taking part in the Arizona plan can elect to get a lump-sum payment upon your your retirement and then “purchase the largest advantages which their accumulated efforts could command in the great outdoors market. ” The truth that the lump-sum option allows it has no bearing, nonetheless, on whether petitioners have actually discriminated due to intercourse in providing an annuity choice to its workers. Once we have actually revealed above, ante, at note 10, it really is no defense to discrimination within the supply of the fringe advantage that another fringe advantage is supplied for a nondiscriminatory foundation.