A company analyses five possible cities to build a 5 storey office building. The total floor area of the 5 storeys required by the company is 3000 m² and the total land area required on which to build it is 600 m². The table below gives the land price and construction price in $ per m² in five cities. [image of table] The cost of building the office is the cost per square metre for the total floor space of all 5 storeys requirements and the plot land area purchase cost.