To determine the correct answer for the percentage that small businesses account for in the gross domestic product (GDP) in the United States, let's analyze the options provided:
A. 15 percent
B. 60 percent
C. 70 percent
D. 39 percent
After considering the information available, we find that the correct percentage is:
D. 39 percent
Small businesses account for approximately 39 percent of the GDP in the United States.