What is the Inventoriable (or product Cost) from the scenario?

Among the costs Kunee Company incurred during the month of February were the following: 1) $15,000 for coolant used in the administrative office air conditioning system 2) $5,000 office rent for the sales personnel 3) $10,000 for depreciation on trucks used to deliver raw materials to the factory 4) $2,000 salary paid to the factory security personnel