Andrew Cherng was born in China and immigrated to the U.S. to go to college. With his Myanmar-born wife Peggy, they opened their first Panda Express fast-food restaurant, which grew into a chain with more than 2,000 restaurants worldwide. Their story is illustrative of the fact that one out of every ______ U.S. businesses is owned by an immigrant.
a. ten
b. four
c. 20
d. six
e. 12