Old Equipment Having a Book Value of $12,000 Was Sold

Old equipment having a book value of $12,000 was sold for $10,000 cash. New equipment was purchased for $25,000 cash. Additional equipment was acquired in exchange for a $17,000 long- term note payable. The cash flow from investing activities was:

A) $(13,000)
B) $(32,000)
C) $(30,000)
D) $(15,000)