"Rydyn ni am glywed barn cynifer o bobl â phosibl ac rwy'n annog pobl a rhanddeiliaid o bob rhan o Gymru i gymryd rhan, i rannu eu barn a'n helpu i lunio dyfodol y trethi Cymreig."
Tim Williams, the year 10 form teacher and teacher of religious studies at Ysgol Eirias said: