Who Among the Following Has Violated the Fair Labor Standards

Who among the following has violated the Fair Labor Standards Act of 1938?

A) Rachel, who pays all her workers a minimum wage of $13
B) Sally, who does not consider time her employees spend travelling to work as compensable time
C) Jeremy, who employs his 16-year-old cousin in his meat-packing plant
D) Randy, who employs his 17-year-old son in his stationery store as a cashier