You have $3,100 you want to invest in your classmate’s start up business. You believe the business idea to be great and hope to get $3,950 back at the end of three years. If all goes according to the plan, what will be the return on your investment? (If you solve this problem with algebra round intermediate calculations to 6 decimal places, in all cases round your final answer to two decimal places, e.g. 8.72%.)