Two acquaintances have approached you about investing in business activities in which each is involved. Simone is seeking $575, and Riley needs $575. One year from now, your original investment will be returned, along with $52 income from Simone or $55 income from Riley. You can make only one investment. Required: a-1. Compute the ROI of Simone and Riley. (Round your answers to 2 decimal places.) ROI Simone % Riley % a-2. Which investment would you prefer? O Riley O Simone b. What other factors should you consider before making either investment? O Fluctuation O Risk