ConsiderTrevorfromourpreviousproblemsetwhobeginshisdaywithstrawberrymilkshake.Toprepare it,hemixesmilk,x₁,strawberriesx₂anddoessoalwaysinhisfavorite:proportion1glassofmilkto2 strawberries.Which of the following is correct?

a.x₁is an inferior good

b.the utility function ismin {x₁,2x₂}

c.x₁is a Giffen good

d.the utility function ismin {2x₁,x₂}