1) Consider the following example of the steel industry. In this example ??? indicates the domestic supply curve for firms in the US and ?????? indicates the supply curve for the world. The US is considering protecting the US steel industry and prohibiting the importation of steel. a) Calculate the consumer surplus, (domestic) producer surplus and total surplus if the US prohibits the importation of steel. b) Calculate the consumer surplus, (domestic) producer surplus and total surplus if the US does not prohibit the importation of steel. c) Only considering total surplus, should the US prohibit the importation of steel