Every coffee shop in Jitterville has a fixed cost of $25 per day, a capacity of 25 cups of coffee per day, and a variable cost of $1.00 per cup of coffee. There are 120 coffee drinkers in Jitterville, each of whom will purchase one cup of coffee per day from a coffee shop if the price is right. Eighty are willing to buy a cup for $2.50 or less, and 40 are willing to buy a cup for $1.50 or less. In a long-run equilibrium of the coffee market in Jitterville, how many coffee shops are open and what is the price of a cup of coffee

In the supply-and-demand schedule shown above, at the lowest price of $50, producers supply music players and consumers demand music players.

From a business perspective, an information system provides a solution to a problem or challenge facing a firm and represents a combination of management, organization, and technology elements. the organization's hierarchy, functional specialties, business processes, culture, and political interest groups are components of which element of information systems?

Stocks a, b, and c are similar in some respects: each has an expected return of 10% and a standard deviation of 25%. stocks a and b have returns that are independent of one another; i.e., their correlation coefficient, r, equals zero. stocks a and c have returns that are negatively correlated with one another; i.e., r is less than 0. portfolio ab is a portfolio with half of its money invested in stock a and half in stock b. portfolio ac is a portfolio with half of its money invested in stock a and half invested in stock c. which of the following statements is correct? a. portfolio ab has a standard deviation that is greater than 25%.b. portfolio ac has an expected return that is less than 10%.c. portfolio ac has a standard deviation that is less than 25%.d. portfolio ab has a standard deviation that is equal to 25%.e. portfolio ac has an expected return that is greater than 25%.