In some industries, immigrants compete against US workers for jobs. In other industries, immigrants and native workers work together, but do different tasks: immigrants take jobs that are very difficult for US employers to fill with US workers, while the US workers tends to work in occupations with very few immigrants. If the US bans immigration, which of the following is most likely to be true?

A- Wages of US workers is likely to decrease in industries where immigrants and native workers do the same jobs

b- Employment of US workers is likely to decrease in industries where immigrants and native workers do the same jobs

c- Employment of US workers is likely to decrease in industries where immigrants and native workers perform different tasks

d- Wages of US workers is likely to increase in industries where immigrants and native workers perform different tasks

e- Total US employment will increase