Choose the correct answer with a short explanation. 5. In a two-consumer, two-good, exchange economy, both consumers have quasilinear utility functions that are linear in good 2. If quantities of good 1 are measured hori- zontally and quantities of good 2 are measured vertically in the Edgeworth box, the set of Pareto efficient allocations includes a. a horizontal line through the interior of the box. b. a vertical line. c. a straight line from the lower left to the upper right corner of the box. d. a curved line from the lower left to the upper right corner of the box. e. all four edges of the box.