Use the saving and investment identities from the National Income Accounts to answer the following questions. Suppose the following values are from the national income accounts of a country with a closed economy (all values are in billions). Y = 6,000 T = 1,000 C = 4,000 G = 1,200 a. What is the value of saving and investment in this country? (5 points) b. What is the value of private saving? (5 points) c. What is the value of public saving? (5 points) d. Is the government's budget policy contributing to growth in this country or harming it? Why? (5 points)