In a contract for services, a key personnel clause $\_\_\_\_\_\_\_\_$blank.

Multiple Choice

may be included if success depends on specific individuals

legally cannot be included because work assignment is the responsibility of the service provider

is undesirable from the buyer$$s perspective because on$-$going negotiations are a better way to ensure the best personnel are assigned throughout the contract

should always be included no matter the nature of the service

is desirable from the supplier$$s perspective to ensure that the buyer cannot demand personnel changes mid$-$contract