ou are saving money for a down payment on a house. Suppose you want to have total savings of $20,000 in 10 years time and you have currently $5,000.

ou are saving money for a down payment on a house. Suppose you want to have total savings of $20,000 in 10 years time and you have currently $5,000. What annual interest rate do you need to earn on your initial investment, assuming you contribute no additional savings?