Roger,a Cashier at Mason's Mart Located in Wyoming,is Paid the Minimum

Roger,a cashier at Mason's Mart located in Wyoming,is paid the minimum wage set by the state.The state minimum wage rate is less than the federal minimum wage rate.Which of the following holds true in this case?

A) Mason's has not violated the Fair Labor Standards Act of 1938 because the state wage rate supersedes the federal minimum wage rate.
B) Mason's has violated the Fair Labor Standards Act of 1938 because the federal minimum wage rate supersedes the state wage rate.
C) Mason's has not violated the Fair Labor Standards Act of 1938 because private employers are not covered under the act.
D) Mason's has violated the Fair Labor Standards Act of 1938 only if it can be shown that the employees are not paid any overtime compensation.