Retirement planning hal thomas, a 25-year-old college graduate, wishes to retire at age 65. to supplement other sources of retirement income, he can deposit $2,000 each year into a tax-deferred individual retirement arrangement (ira). the ira will earn a 10% return over the next 40 years. a. if hal makes annual end-of-year $2,000 deposits into the ira, how much will he have accumulated by the end of his sixty-fifth year? b. if hal decides to wait until age 35 to begin making annual end-of-year $2,000 deposits into the ira, how much will he have accumulated by the end of his sixty-fifth year? c. using your findings in parts a and b, discuss the impact of delaying making de- posits into the ira for 10 years (age 25 to age 35) on the amount accumulated by the end of hal’s sixty-fifth year. d. rework parts a, b, and c, assuming that hal makes all deposits at the beginning, rather than the end, of each year. discuss the effect of beginning-of-year deposits on the future value accumulated by the end of hal’s sixty-fifth year.