Sam helps his dad at his office after school. He cleans up the office, waters the plants, and takes out the trash. One day while Sam's dad is out of the office, Sam finds a crumpled twenty dollar bill behind the candy machine. Sam has been saving for a new mountain bike and he could really use the money! His dad doesn't pay him very much, so he figures they are even now as he slips the twenty into his pocket.
a) insightful.
b) independent.
c) deceitful.
d) reliable.