Use the Following Information for Questions

Use the following information for questions
Mary needs $145,000 in 15 years to buy her son a new Ferrari. Assume that she can earn an 8% after-tax return on her investment. You may ignore inflation in these calculations.
-How much ignore cents) will Mary need to invest today?

A) $5,340
B) $459,965
C) $45,710
D) $47,401
E) None of the above. No one should own a Ferrari.