Company XYZ offers a retirement plan wherein the value of the plan’s assets and liabilities...

Company XYZ offers a retirement plan wherein the value of the plan’s assets and liabilities is measured separately. The plan’s funding and valuation can have a significant impact on the financial condition of the company. Company ABC offers a retirement plan wherein the amount owed to the participants at retirement is based solely on the account balance at the time of withdrawal with participants often bearing the responsibility for managing the investments in their account. Which of the following BEST describes the above two retirement plans and which act governs them?