Answer:
The price would decrease and the supply would increase.
Step-by-step explanation:
Higher prices would encourage producers to increase supply.
Lower prices would decrease demand.
I automatically crossed these out. It doesn't seem like this would be likely.
The price would increase and the demand would decrease.
The price would decrease and the supply would increase.
If the price would increase I don't think that the demand would decrease because if you build something that needs iron you need it so you will buy it weather the cost of iron.
The price would decrease and the supply would increase.
The supply decreasing would cause attention to buyers especially big companies.