If Paul can mow a lawn in 1 hours and weed a vegetable garden in 3 hours and Mary can mow a lawn in 2 hours and weed a vegetable garden in 1 hour, then:

1- Paul and Mary do not have an absolute or comparative advantage in either activity

2- on the basis of comparative advantage Mary should mow the lawn and Paul should weed the vegetable garden

3- on the basis of absolute advantage Mary should mow the lawn and Paul should weed the vegetable garden

4- on the basis of comparative advantage Paul should mow the lawn and Mary should weed the garden

5- on the basis of absolute advantage Paul should mow the lawn and Mary should weed the vegetable garden