What are internal service funds used for?

Multiple Choice

To report resources that are legally restricted so only earnings, not principal, may be expended, and for purposes to benefit the government and its citizenry

To account for pension and employee benefit funds for which the governmental unit is the trustee

To account for resources provided primarily through the use of sales and service charges to parties external to the government

To account for resources provided primarily through the use of sales and service charges to other departments in the government