Kim can produce 40 pies per hour or 400 cakes per hour. Liam can produce 100 pies per hour or 200 cakes per hour. Kim's opportunity cost of producing a pie is cakes. Liams opportunity cost of producing a pie is ___ cakes has the comparative advantage in producing pies has the comparative advantage in producing cakes. Kim spends 30 minutes producing pies and 30 minutes producing cakes, Kim produces ___ pies and cakes. If Liam spends 30 minutes producing pies and 30 minutes producing cakes, Liam produces pies and cakes.