Suppose Marco is willing to tutor for $15 an hour. On Tuesday, he will tutor Kelly for 1 hour and Mike for 3 hours. Kelly will pay $30 an hour, but Mike will only pay $20 an hour, since he has a longer tutoring session. How much producer surplus will Marco gain from tutoring both Kelly and Mike?

Cool beans is a locally owned coffee shop that competes with two large coffee chains, planeteuro and frothies. alicia, the owner, hired two students to count the number of customers that entered each of the coffee shops to estimate what percent of people who are interested in coffee are visiting each shop. after a week, the students found the following results: 589 visited cool beans, 839 visited planeteuro, and 1,290 visited frothies. the students were surprised that cool beans had 139 visits on monday which represented 59% of all people who visited one of the three coffee shops on mondays. how many people visited one of the three coffee shops during the week?

Individual consumers belong to which step of choosing a target market? possible customers competition demographics communication

In the united states, one worker can produce 10 tons of steel per day or 20 tons of chemicals per day. in the united kingdom, one worker can produce 5 tons of steel per day or 15 tons of chemicals per day. the united kingdom has a comparative advantage in the production of: