Alpine Corporation reported the following information for fiscal 2017 and 2016.

December 31 | 2017 | 2016
Operating assets | $164,101 | $153,211
Operating liabilities | 120,785 | 114,836
Net cash flow from operations | 46,709 | 39,540
Net operating profit after tax (NOPAT) | 33,371 | 31,742
Discount factor | 6.0% | 6.0%

What are the company's free cash flows to the firm (FCFF) for 2017?