Lynn and Alicia are equal partners in a local bookstore. They have operated the bookstore for 2 years but have reported only a small profit. This year they anticipate that the bookstore will generate a profit that will allow each of them to contribute to a pension plan. They sought the advice of 2 local accountants on the type of pension plan they should adopt but received conflicting advice. They have come to your firm to help resolve the conflict. Explain the type of pension plans available to Lynn and Alicia and advise them on which type of plan they should adopt.