Suppose the wage ratio is w/w = 2. Hours needed per unit Wheat (tonnes) Toys (1000's) Australia Foreign 20 6 60 8 a) Calculate how many hours an AUS worker would have to work to afford a unit of wheat and a unit of toys without trade. b) Calculate how many hours an AUS worker would have to work to afford a unit of wheat and a unit of toys with trade. c) Can trade improve the workers standard of living?