Problem
For Robinson, coconuts and berries are complements. He always consumes them with his favorite proportion: 2 pounds of berries for 1 coconut. More berry and coconut consumption makes him happier. Consider that Robinson sleeps 8 hours, and spares 2 hours to eat what he collects.
i. Draw Robinson's indifferent curves. Show the direction of better bundles.
ii. Draw Robinson's budget line. Assume that he does not have any injuries. (Collects a coconut in 2 hours, and a pound of berries in an hour)
iii. Find the best 'affordable' (coconut, berry) bundle for Robinson, and show it on the graph.