Please help with follows three questions! Thank you!

Suppose that consumer demand is given by this equation:P= 10 -Q. What is the value of consumer surplus whenP= 5?

Group of answer choices

A.$12.50

B.$50

C.$25

D.$5

Suppose that the United States is a large country. In fall 2009, the United States imposed tariffs on tires imported from China. The deadweight losses of these tariffs were larger than the terms-of-trade gains to the U.S. economy. Who was better off and who was worse off as a result of these tariffs?

Group of answer choices

A.U.S. tire workers, U.S. consumers, and Chinese tire producers were all worse off.

B.U.S. tire workers and U.S. consumers were better off; Chinese tire producers were worse off.

C.U.S. tire workers were better off; U.S. consumers and Chinese tire producers were worse off.

D. U.S. tire workers and Chinese tire producers were better off; U.S. consumers were worse off.

The following table gives the hypothetical supply and demand of television sets in Guatemala. Guatemala is a small country that is unable to affect world prices. The world price (free-trade price) is $300 per TV set.

Who will benefit from Guatemala's 100% tariff on imported TVs?

A.Guatemala's TV producers

B.Guatemala's TV importers

C.foreign TV manufacturers

D.Guatemala's consumers