John Roberts is 55 years old and has been asked to accept an early retirement from his company. The company has offered John three alternative compensation packages to induce John to retire:
1. $180,000 acsh payment to be paid immediately.
2. a 20 year annuity of $11,000 beginning immediately.
3. a 10 year annuity of 50,000 beginning at age 65.
Which alternative should John choose assuming that he is able to invest funds at a 6% rate?