Directions: Show all work, and answer each question that is asked. Explanations should be given in complete sentences. All graphs should be drawn accurately on this sheet, and be fully labeled. 1. Charla would like to save $18,000 for a down payment for her first house. She currently has $12,000. At what interest rate, compounded annually, would she need to invest her money in order to have the required $18,000 in 5 years