A software provider has experienced a decline in sales due to a highly competitive environment. To be able to continue to offer software at a low cost, management decides to close its operations in one of the states it does business in$,$ laying off $85$ full$-$time workers from the company's $465-$person workforce. Under the Workers' Adjustment Retraining and Notification Act, what must the company do$?$

$$ It must explain employment$-$at$-$will principles to the employees.

It must give the employees $60$ days' notice before the layoffs.

$$ It must provide all the employees with exit interviews.

It is required to seek legal advice to identify any exemptions available.

$$ It must pay two times employees' base salaries in severance.