7. Holding national savings constant, an increase in domestic investment must be associated with: (a) an increase in the current account and, over time, a decline in net foreign assets. (b) a fall in the current account and, over time, a fall in net foreign assets. (c) an increase in the current account and, over time, a rise in net foreign assets. (d) a fall in the current account and, over time, a rise in net foreign assets. (e) None.