Two acquaintances have approached you about investing in business activities in which each is involved. Simone is seeking $545, and Riley needs $680. One year from now, your original investment will be returned, along with $49 income from Simone or $52 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? Simone O Riley b. What other factors should you consider before making either investment? Fluctuation