Problem 7-31 Use a financial calculator or a program such as Excel to answer the questions, Round your answers to the nearest whole number a. You purchase a stock for $9,000 and collect $300 at the end of each year in dividends. You sell the stock for $10,500 after five years. What was the annual return on your $9,000 investment 6.27 9 b. You purchase a building for $850,000, collect annual rent (after expenses) of $110,000, and sell the building for $950,000 after seven years. What is the annual return on this investment 14.04 c. You buy a stock for $1,000 and expect to sell it for $950 after five years but also expect to collect dividends of $150 a year. Calculate the return on this investment and prove that it is less than 12 percent