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A is corrent because the Federal Fair Labor Standards Act provides that a minimum hourly wage be paid to each covered employee. The act also requires that a wage rate of not less than one and one-half times the regular rate be paid for hours worked beyond forty hours in any given work week except for those employed in agriculture, seasonal employment in recreation, or engaged in the delivery of health care services for the sick.
B is incorrect because all workers covered by the act are included within the minimum wage provisions but some are exempt from the overtime provisions.
C is incorrect because the act provides a list of exemptions, and the union contract in effect at any time has no effect on such list.
D is incorrect because all workers covered by the act are included within the minimum wage provisions but some are exempt from the overtime provisions.