A Compound Microscope Gives a Magnification of 200 $\times$ With an Eyepiece of Focal Length 2

Multiple Choice

A compound microscope gives a magnification of 200 $\times$ with an eyepiece of focal length 2.00 cm.If the eyepiece is replaced with an eyepiece of focal length 1.50 cm,what magnification results?

A) 150 $\times$
B) 133 $\times$
C) 89 $\times$
D) 267 $\times$
E) 300 $\times$