Macro Question: According to the table how do I find these calculations??

17. Consider the categorical income and expenditure for the U.S. economy described in the tables below. Prices (table 1) are in terms of U.S. dollars. 'Domestic Industrial Machinery' refers to industrial machinery produced within the United States, and all imported goods are consumer products. Use this information to answer the questions below. (20 points total). Domestic Social Industrial National Security Clothes Groceries Machinery Parks Upkeep Payments Exports Imports 100 100 700 500 700 800 400 200 200 800 500 700 900 500 150 500 1,000 500 700 1,000 600 Quantities Domestic Social Industrial National Security Clothes Groceries Machinery Parks Upkeep Payments Exports Imports 500 500 1.000 500 700 1,500 1,000 550 200 1,100 750 800 2,000 1,200 525 100 1.200 1,000 900 3,000 2,000