Question 21 (0.222223 points) Bill opens an IRA account in 2008 and plans to invest $5,000 per year for the next 30 years. Bill makes his first deposit on December 31, 2008 (at the end of the period), and will continue to make his annual deposits on the last day of each year. At the end of 30 years, how much will have accumulated in his IRA account, assuming an interest rate of 7% per year? A) $160,500 OB) $505,356 OC) $472,295 D) $566,410