place in standard factor form

Additional Problem 2: Suppose that annual income from a rental property is expected to start at $1,100 per year and decrease at a uniform amount of $50 each year after the first year for the 20- year expected life of the property. The investment costs $9,000, and i is 6% per year. Is thi good investment? Assume that the investment occurs at time zero (now) and that the annual income is first received at EOY one