Final answer:
The firm does not have a specific number of days to notify the state fire marshal of the termination of an employee.
Step-by-step explanation:
According to the information provided, there is no specific mention of a firm having to notify the state fire marshal of the termination of an employee within a certain number of days. The reference only states that employers with more than 100 employees are required to provide written notice 60 days before plant closings or large layoffs. Therefore, none of the options given (a) 10 days, b) 20 days, c) 30 days, d) 40 days) are correct.