Please help answer question 8 and 9.

QUESTION 8 2 points Save Answer Suppose that demand for each cup of coffee sold by Baltimore's Sophomore Coffee is described by Q = 100 - 5P (and inverse demand is described by P = 20 - 0.2Q) where P denotes the price per cup of coffee and Q denotes the number of cups of coffee sold. What is the price elasticity of demand for Sophomore Coffee's coffee if the price is $10? O-0.04 O -0.33 O -0.4 -0.67 O -1 QUESTION 9 2 points Save Answer Many governments have laws that protect new industries that produce a specific good or service. The idea behind these laws is to help an industry develop and remove the laws once the industry can compete internationally. Which concept from class would support the case for these protective laws? Profit maximization Economies of scale O. Economies of scope Technological change Cost maximization