Use the infоrmаtiоn belоw to аnswer the following question(s). Nаtional income account Billions ofdollars Personal consumption expenditures (C) $900 Personal taxes (T) 180 Government consumption and gross investment (G) 300 Interest income (Int) 60 Exports (X) 40 Imports (M) 75 Depreciation (D) 60 Business investment (I) 200 Refer to the above chart. What is this country's gross domestic product (GDP)? Note: You may not use all of the numbers listed.