Solve the all parts of given question:

Question: A contact lens prescription calls for +2.25? diopter lenses with an inner curvature radius of 8.6 mm to fit the patient's cornea.

Part A: If the lenses are plastic with n=1.56, what should be the outer curvature radius?

Part B: With these lenses, the patient comfortably reads 30 cm from her eyes. Where the image as is viewed through the lenses?

This is a physic question, reply as soon as possible. Thank you.