Consider a Small Open Economy with Desired National Saving of S^d

Multiple Choice

Consider a small open economy with desired national saving of S^d = 200 + 10,000r^w and desired investment of I^d = 1000 - 5000r^w.If r^w = 0.05,then a rise in government spending of 50 with no change in private saving causes net exports to become

A) 100.
B) 50.
C) -50.
D) -100.