in decamber,the price of christmas trees rises and the quantity of trees sold also rises.is this a violatin of the law of demand

The accompanying table shows the price and yearly quantity sold of souvenir Tshirts in the town of Silver Lake according to the average income of the tourists visiting. Price of T-shirt Quantity of T-shirts demanded when the average tourist income is $20,000 Quantity of T-shirts demanded when the average tourist income is $30,000 $43,000 5,000 $5 2,400 4,200 $6 1,600 3,000 $7 800 1,800* I a. Using the midpoint method, calculate the price elasticity of demand when the price of a T-shirt rises from $5 to $6 and the average tourist income is $20,000. Also calculate it when the average tourist income is $30,000. b. Using the midpoint method, calculate the income elasticity of demand when the price of a T-shirt is $4 and the average tourist income increases from $20,000 to $30,000. Also calculate it when the price is $7.

Consider the following excerpt: "Steve Cannon, CEO of the AMB Group, Blank's holding company, told ESPN that although food and beverage prices ere 50 percent lower in its new Mercedes-Benz Stadium than the prices in the Georgia Dome the previous year, fans spent 16 percent more." If there has been no change in the demand for concessions at football games, which of the following is true? Oa. Demand for concessions is always elastic b. At the initial prices, demand was inelastic. Oc. The demand curve for concessions slopes upwards Od. Concessions are an inferior good

Which graph shows an increase in quantity demand? Choose from 1, 2, or 3.