Final answer:
PrimePay's base solution of HR advisory is not free to all PrimePay clients.
Step-by-step explanation:
The statement in the question - 'PrimePay's base solution of HR advisory is free to all PrimePay clients' - is False.
While PrimePay's base solution of HR advisory is not completely free, it is available at a discounted rate for PrimePay clients. The exact cost of the solution may vary based on the client's needs and the level of support required.
Therefore, PrimePay's base solution of HR advisory is not free, and the correct answer to the question is False.