Magnus Fabricators Ltd has just constructed a new factory building using company employees and equipment for most of the work. The company’s accountant has said: ‘Various costs must be capitalised to produce an appropriate balance sheet figure for the building’s cost.’ Which of the following costs should be included: architect’s costs, removal of the old factory, excavation, the amount paid to workers who did the construction, employee benefit costs to staff working on the construction, and an estimate of costs to maintain the factory over the next five years?