Let's assume that Mary has changed her mind and is now considering investing $5,000for five years at 9% with quarterly compounding.She will be making the investments at the beginning of each year.

How much will she have at the end of the 5 years? The problem says "Mary willbe makingan investment of $5000 per year for 5 years"This means that she would be investing $25000 over the 5 year period.....so your answer couldn't be correct...try again