please help me with these?

1.
The idea behind U.S. antitrust laws is to
1. Preserve market competition.
2. Protect current competitors.
3. Protect consumer interests.
4. Protect producer interests.
5. Both A and C.
2.
What are the advantages of auctioning off new rights?
1. The government can use the proceeds to fund worthwhile projects.
2. The winning bidders are likely to be the most efficient users.
3. The winning bidders can easily flip the rights for instant profits.
4. All of the above.
5. Both A and B.
3.
The original government intention of limiting taxi licenses was to
1. Make cab rides too expensive to force passengers into using mass transit systems.
2. Guarantee reasonable earnings to taxi operators in exchange for government regulation on safety and quality.
3. Create windfall profit for taxi operators.
4. Inflate license and fare prices.
4.
Milk in the U.S. is unnecessarily expensive because
1. government-supported price discourages vertical integration of the milk industry.
2. there is an excess demand for milk.
3. milk prices are subject to price control.
4. milk farmers do not produce enough milk.
5.
In what ways is occupational licensing similar to single pricing?
1. It excludes all those who cannot meet that minimum skill or price level.
2. It confers too much benefit to those who have no difficulty in meeting the minimum skill or price level.
3. There is no similarity between the two.
4. Both A and B.
6.
Collusion among producers to raise price and restrict output is likely to be successful if
1. The number of producers is small.
2. The product is homogeneous.
3. There is no anti-trust law against it.
4. All of the above.
5. Both A and C.
7.
Attempts to reduce excess capacity through mergers violate (may violate) U.S. antitrust laws if
1. there is no increase in concentration.
2. they are likely to result in higher prices.
3. the takeover attempts are hostile.
4. The Justice Department is ideologically sympathetic.
8.
Government regulation
1. does not confer any legal immunity to the regulated industries.
2. is never needed in a free market.
3. is generally welcome by industries.
4. may benefit larger firms who are better able to shoulder the burden of regulation.
9.
Price-fixing
1. is a form of capacity reduction.
2. is not against the U.S. antitrust law.
3. is a survival strategy for mature industries producing homogeneous products with large scale-economy and excess capacity.
4. increases consumer surplus.
10.
Trade protection
1. Is likely to be temporary.
2. Is consistent with the principle of comparative advantage.
3. Has made domestic industries stronger.
4. Benefits the few at the expense of the many.