Randy and Frank are both landscapers. Randy can mow 12 lawns per day or prune 9 trees. Frank can mow 18 lawns per day or prune 27 trees. Randy and Frank each work 240 days per year. Determine who has the absolute advantage at each task, what their respective opportunity costs are for mowing a lawn, and who has comparative advantage in each task.
a. Frank Randy Both Randy and Frank Neither Randy nor Frank has an absolute advantage in mowing lawns.
b. Frank Frank Both Randy and Frank Neither Randy nor Frank has an absolute advantage in pruning trees.