What key factor does a PWS shift to the contractor?

The Performance Work Statement (PWS) fundamentally focuses on defining the expected outcomes and performance standards for a project. By emphasizing acceptable performance, the PWS shifts the responsibility for achieving these outcomes directly to the contractor. This means that the contractor is accountable for delivering results in accordance with the specified performance metrics and quality standards outlined in the PWS.

The importance of this transfer of responsibility lies in the contractor’s flexibility to determine how to meet those performance objectives, allowing them to employ their own methods and innovations. Therefore, the PWS does not just delineate tasks but rather frames the contractor's obligation to fulfill the contract requirements as per the agreed-upon performance criteria.

While the other choices touch on significant aspects of contract management, they do not align with the specific role of a PWS. For example, meeting upfront costs and financial risks are more about the financial aspects of contracting rather than performance itself. Similarly, while administrative tasks are essential, they are not the primary focus of a PWS, which is centered on outcomes and results rather than the processes or administrative procedures involved in achieving them.