It takes Nora 30 minutes to cook dinner. In the same time, she can iron 6 shirts.Edgar takes an hour to cook dinner and 30 minutes to iron a single shirt.

Select one:

a.

Nora should cook dinner and iron; trade is impossible.

b.

Edgar has an absolute advantage in ironing shirts.

c.

Edgar has an absolute advantage in cooking.

d.

Edgar should cook dinner; the opportunity cost is only 1 shirt.

e.

Edgar should cook dinner; the opportunity cost is only 2 shirts.