1. Shown below is a simplied balance of payments table for the United States. Use the information in the table to answer the questions below. Amount (in billions of dollars) 1. Exports of goods and services 1,500 2. Income receipts from abroad 800 3. Imports of goods and services 2,000 4. Income payments to foreigners 600 5. Net U.S. acquisition of assets abroad 400 6. Net U.S. incurrence of liabilities to foreigners ? 7. Statistical discrepancy 0 Questions: a. What is the value for the missing entry? b. What is the US. current account balance? 0. If U.S. GDP is 6000, what is US. gross national income? (1. If US. national saving is 1100, what must U.S. gross domestic investment spending be