Roger is revising the company handbook. Aware of increasing legal impacts on HRM$,$ he wants to make sure that nothing in the handbook can be used as an implied contract. What should he do$?$

write the book in ambiguous terms so that everything in it can be interpreted in several ways

include a disclaimer in the book to make sure that it is not interpreted as an implied contract

make the handbook a minimum of $300$ page long

instead of changing the book, fire employees who have brought suit, and make an example of them