What is the net working capital of the company, given the following information:

Turnover (Revenue): €55.6 million
Costs: €50 million
Raw material stock: €19.5 million
Work in progress and transportation: €9.3 million
Finished goods stock: €22.1 million
Other current assets: €5.3 million
Fixed assets: €27 million

A) €58.7 million
B) €62.9 million
C) €32.1 million
D) €37.9 million