If labor is properly classified as agricultural labor under the FLSA primary and secondary "3(f)" definition, which farm business may claim exemption for all employees performing agricultural labor from FLSA

minimum wage and overtime requirement and child labor restrictions? a. if the farm employed less than "500 man days" in a quarter within the previous 12 months O b. if a farm employed an immediate family member then all employees are exempt O c. if a farm employed at least "500 man days" within the past year