The notice for a claim for public work labor performed or public work material delivered by a payment bond beneficiary who is a subcontractor or materialman to the prime contractor or to a subcontractor and who has a written unit price agreement that is wholly or partially completed is sufficient if the beneficiary attaches to the sworn statement of account:
(1) a list of units and unit prices set by the contract; and
(2) a statement of those completed and partially completed units.