What amount of the following items should be accounted for in an enterprise fund?

Warehouse equipment used to store supplies for delivery to all city departments and agencies on a cost- reimbursement basis $350,000

Equipment used for supplying electric power to residents $2,100,000

Receivables for completed sidewalks to be paid for in installments by affected property owners. Construction was financed by special assessment bonds for which the town has no liability $1,760,000

Cash received from federal government, dedicated to highway maintenance, that must be accounted for in a separate fund $1,640,000