Which of the following shows timelines for projects?

Consider the two economies of Lithasia and Barylia. Economic agents in Lithasia have coordination and incentive problems, while in Barylia social surplus is maximized

Which economic system does each of these economies most likely have? Explain your answer.

Suppose all individuals are identical, and their monthly demand for Internet access from a certain leading provider can be represented as p = 5 - (1/2)q where p is price in $ per hour and q is hours per month. The firm faces a constant marginal cost of $1. Potential consumer surplus equals

A) $4. B) $8. C) $16. D) $32.