In 2007, France's GDP Totaled $1

In 2007, France's GDP totaled $1.9 trillion and in 2006 GDP was $1.8 trillion. The total amount spent on new capital in 2007 was $357 billion and in 2006 was $335 billion. To calculate the amount of net investment in France for these years, you need to know

A) saving.
B) depreciation.
C) the amount of financial capital available.
D) the aggregate production function.