ManyEEs Inc. is a private consulting company that did not effectively forecast its HR staffing needs or the consumer demand for its services. On January $1,2018,$ ManyEEs Inc. decided to downsize its workforce from $2,000$ full$-$time employees to $1,500$ full$-$time employees because of a surplus of talent. The CEO of the company informed $500$ employees, most of whom had been part of the organization for over a year, that they would be laid off effective January $5,2018.$ Which of the following laws did ManyEEs Inc. most likely violate?

a$.$ The Worker Adjustment and Retraining Notification $($WARN$)$ Act

b$.$ The Federal Unemployment Compensation Act $($FUCA$)$

c$.$ The National Labor Relations Act $($NLRA$)$

d$.$ The Social Security Act