The Focal Length of a Magnifying Glass Is 15 Cm $1.7$

Multiple Choice

The focal length of a magnifying glass is 15 cm. If the near point of a person is 25 cm, what is the angular magnification of the glass for this person when his eyes are focused at infinity?

A) $1.7$
B) $2.7$
C) $3.7$
D) $5.7$
E) $4.7$