The answer is <u>"D. The American economy produced 15 percent more last year than the year before."</u>
Gross domestic product (GDP) is the monetary estimation of all the completed merchandise and ventures delivered inside a nation's fringes in a particular time period. In spite of the fact that GDP is normally computed on a yearly premise, it tends to be figured on a quarterly premise too (in the United States, for instance, the administration discharges an annualized GDP gauge for each quarter and furthermore for a whole year).
Gross domestic product incorporates all private and open utilization, government expenses, ventures, private inventories, paid-in development costs and the foreign balance of exchange (exports are included, imports are subtracted).