Paolo Can Walk Three Dogs or Mow Two Lawns in Two

Paolo can walk three dogs or mow two lawns in two hours. Ashanti can walk six dogs or mow three lawns in two hours. According to trade theory, _____ should walk dogs because ____.

A) Ashanti; she produces more than Paolo does in a two-hour period
B) Ashanti; she enjoys a comparative advantage in dog-walking
C) Paolo; he faces a lower opportunity cost for walking dogs
D) Paolo; he enjoys an absolute advantage in dog-walking