What is the effect of min wage in the unskilled labor?

1. an example of price floor is minimum wage. What is minimum wage in your area(New York)? what is the effect of min wage in the unskilled labor? who win and who loses? 2.explain one way in which government interferes with or regulates markets( hints: excise taxes, tariffs, licenses). how does this affect supply& demand? 3. what do we mean by price elasticity of demand? relate it to the concept of why so many prices end in 99cents 4. a firm faces an elastic demand for its product. should the price be lowered?