Bill is farsighted and has a near point located 110 cm from his eyes. Anne is also farsighted, but her near point is 61.9 cm from her eyes. Both have glasses that correct their vision to a normal near point (25.0 cm from the eyes), and both wear the glasses 2.0 cm from the eyes. Relative to the eyes, what is the closest object that can be seen clearly
(a) by Anne when she wears Bill's glasses and
(b) by Bill when he wears Anne's glasses?