5. Suppose gross saving in the United States is 20 percent of Gross National Product (GNP). If business saving is 15 percent of GNP and government saving is 4 percent of GNP, what percent of GNP is personal saving? Explain why a federal budget surplus increases nationalsavingwhileabudgetdeficitdecreasesnational saving.Howcanafederalbudgetdeficitincreasemarket equilibriuminterestratesandreduceprivateinvestment andfuture economicgrowth?