Suppose that in Australia, producing a tonne of beef takes 10 hour of labour, while producing a shirt takes two hours of labour. In China, producing one tonne of beef takes 40 hours of labour, while producing a shirt takes four hours of labour. What will these nations trade?

a China will export beef, while Australia will export shirts.

b China will export shirts, while Australia will export beef.

c Both nations will export shirts.

d There are no gains from trade in this situation.