What type of benefit plan has a final benefit that is dependent on the investment...

Comprehensive and Detailed Explanation From Exact Extract:

In a defined contribution plan, the retirement benefit depends on the performance of the investments within the plan, also known as a money-purchase plan. The feedback from the document states:

"In a defined contribution plan, also known as a money-purchase plan, the eventual benefits at retirement will be based on how the contributions were invested within the plan."