The Difference Between a Money Purchase Plan and a Profit

The difference between a Money Purchase Plan and a Profit Sharing plan is that

A) with the Profit Sharing Plan the employee is guaranteed to see profits in their retirement funds.
B) with the Money Purchase Plan the contributions are required regardless of how the firm performs.
C) Profit Sharing Plans constantly outperform Money Purchase Plans.
D) all of the above are correct.
E) both A and C are correct.