Please show manual calculations fast. I need it in 15 minutes

Sara, age 10, wants to be able to buy a cool new car when she turns 16. This new cool car will cost $25,000 at the time she reaches 16. Sara's father is thinking to surprise her when she turns sixteen with making her wish comes true, so he deposits $8500 today in the bank in order to buy the car. What annual rate of return must Sara's father earn on his investment to accumulate enough money to pay for the new cool car