Your parents inform you that their savings plan for you will mature in 2 years to give you $9,000. Knowing it would not be enough, you plan on investing this money at 10 percent per annum until you have $60,000. How many years will it take this to happen from now?

Select one:

a. 23.08 years

b. 19.96 years

c. 21.90 years

d. 25 years

e. 18.78 years