Which story detail from Barrio Boy best supports the claim that the author and his family had little money?
a. In Ernesto’s childhood village, the other mothers ask the children to run errands.
b. Ernesto is responsible for the family until they reunite in Sacramento.
c. Ernesto and his family have to learn to exchange pesos for dollars.
d. Ernesto’s family stays the night with other families in a small, windowless room.