2. When Adam had a monthly income of $4,000, he ate out 8 times a month. Now that he makes $4,500 a month, he eats out 10 times a month. a. Compute Adam’s income elasticity of demand using the midpoint method. b. Explain your answer. c. Is a restaurant meal a normal or inferior good to Adam?

An informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.