Two acquaintances have approached you about investing in business activities in which each is involved. Simone is seeking $620, and Riley needs $590. One year from now, your original investment will be returned, along with $56 income from Simone or $59 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