This further illustrates how the Offer has had more of an impact on the work situation of parents who earn a lower income, relative to the national average, compared with those on a higher income.
Mae hyn yn dangos ymhellach sut y mae'r Cynnig wedi cael mwy o effaith ar sefyllfa waith rhieni sy'n ennill incwm is, mewn perthynas â'r cyfartaledd cenedlaethol, o'i gymharu â'r rhai ar incwm uwch.