Net investment is: Spending Category Spending in Sbillions Personal consumption expenditures 14,500 Gross private domestic investment 3,600 Net exports of goods and services -525 Government expenditures and gross investment 3,850 Consumption of fixed capital (Private) hij, 800 Personal saving 725 Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a positive, so the amount of capital increased. negative, so the amount of capital decreased. positive, so there is a trade surplus. negative, so there is a trade deficit