Saved m kilometre to set up There are economies of scale in ranching, especially with regard to fencing land. Suppose that barbed-wire fencing costs $18,000 per a. How much would it cost to fence a single property whose area is one square kilometre if that property also happens to be perfectly square, with sides that are each one kilometre long? A for the single one-square-kilometre property b. How much would it cost to fence exactly four such properties, which together would contain four square kilometres of area? for four of the one-square-kilometre properties c. Now, consider how much it would cost to fence four square kilometres of ranch land if, instead, it comes as a single large square that is two kilometres long on each side. for the single four-square-kilometre property d. Which is more costly-fencing the four, one-square-kilometre properties or the single four-square-kilometre property? (Click to select)