An investor has invested $250,000 in a new rental property. Her estimated annual costs are $6000 and annual revenues are $20,000. What rate of return per year will the investor make over a 30-year period ignoring the salvage value? If the property can be sold for $200,000 what is the rate of return? Contributed by Hamed Kashani, Saeid Sadri, and Baabak Ashuri, Georgia Institute of Technology.