-Refer to Situation 31-L

-Refer to Situation 31-l. At the time the total yearly salary (including all the benefits) of the average auto worker was no more than $50,000 per year, and the cost per job saved was estimated at $160,000 per worker per year. We can conclude that

A) import quotas are a cost-efficient way of saving jobs.
B) the U.S.auto industry, through its lobbying efforts, managed to promote the general public interest.
C) the net social benefits of import quotas were positive.
D) all of the above
E) none of the above