An architectural engineering firm has estimated costs for construction of a one- story building, ranging in size from 2000 to 6000 sq. ft. Each structure has a life of 20 years. The firm assumes an interest rate of 18%. Construction and operating costs for two types of construction are given below: Otherwise assume each construction type provides the same benefits. Determine the breakeven building size and state which construction type would be recommended above and below the breakeven point