A factory produces aluminium saucepans with plastic handles. It obtains aluminium from a smelter and a plastic component from another factory. All the manufactured saucepans are sent to a warehouse:
1. (a) Which raw material is likely to be most expensive to transport and why?
(b) Which raw material is likely to be the cheapest to transport and why?
2. Do you think the cost of transporting the finished products after packaging is likely to be cheaper or more expensive than the cost of transporting aluminium and plastic? Why?