An article in the Wall Street Journal refers to "Germany's current-account surplus, a measure of excess savings in the economy." Source: Tom Fairless, "Germany Posts Record Surplus, Bolstering Trump Claim on Trade Imbalances," Wall Street Journal, February 19, 2019. a. What does "excess saving" in an economy refer to? "Excess saving" in an economy means that A. national saving exceeds net exports, or Sgreater thanNX. B. national saving exceeds consumption, or Sgreater thanC. C. national saving exceeds government spending, or Sgreater thanG. D. national saving exceeds domestic investment, or Sgreater than