1. Imports, exports, and the trade balance The following table shows the approximate value of exports and imports for the United States from 1983 through 1987. Complete the table by calculating the surplus or deficit both in dollar terms and as a percentage of GDP. If necessary, round your answers to the nearest hundredth. GDP Exports Imports Exports - Imports Year (Billions of dollars) (Billions of dollars) (Billions of dollars) (Billions of dollars) (Percentage of GDP) 1983 3,535.0 277.0 328.6 1984 3,931.0 302.4 405.1 1985 4,218.0 302.0 417.2 1986 4,460.0 320.3 452.9 1987 4,736.0 363.8 508.7 Source: "Income, Expenditures, Poverty, & Wealth: Gross Domestic Product (GDP)," United States Census Bureau, United States Department of Commerce, last modified September 2011, accessed June 10, 2013, https://www.census.gov/library/publications/2011/compendia/statab/131ed/income-expenditures-poverty-wealth.html. Between 1984 and 1985, the in dollar terms and as a percentage of GDP